国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂

directory search
前言 何為PostgreSQL? PostgreSQL簡(jiǎn)史 格式約定 更多信息 臭蟲匯報(bào)指導(dǎo) I. 教程 章1. 從頭開始 1.1. 安裝 1.2. 體系基本概念 1.3. 創(chuàng)建一個(gè)數(shù)據(jù)庫(kù) 1.4. 訪問(wèn)數(shù)據(jù)庫(kù) 章2. SQL語(yǔ)言 2.1. 介紹 2.2. 概念 2.3. 創(chuàng)建新表 2.4. 向表中添加行 2.5. 查詢一個(gè)表 2.6. 表間鏈接 2.7. 聚集函數(shù) 2.8. 更新 2.9. 刪除 章3. 高級(jí)特性 3.1. 介紹 3.2. 視圖 3.3. 外鍵 3.4. 事務(wù) 3.5. 窗口函數(shù) 3.6. 繼承 3.7. 結(jié)論 II. SQL語(yǔ)言 章4. SQL語(yǔ)法 4.1. 詞法結(jié)構(gòu) 4.2. 值表達(dá)式 4.3. 調(diào)用函數(shù) 章5. 數(shù)據(jù)定義 5.1. 表的基本概念 5.2. 缺省值 5.3. 約束 5.4. 系統(tǒng)字段 5.5. 修改表 5.6. 權(quán)限 5.7. 模式 5.8. 繼承 5.9. 分區(qū) 5.10. 其它數(shù)據(jù)庫(kù)對(duì)象 5.11. 依賴性跟蹤 章 6. 數(shù)據(jù)操作 6.1. 插入數(shù)據(jù) 6.2. 更新數(shù)據(jù) 6.3. 刪除數(shù)據(jù) 章7. 查詢 7.1. 概述 7.2. 表表達(dá)式 7.3. 選擇列表 7.4. 組合查詢 7.5. 行排序 7.6. LIMIT和OFFSET 7.7. VALUES列表 7.8. WITH的查詢(公用表表達(dá)式) 章8. 數(shù)據(jù)類型 8.1. 數(shù)值類型 8.2. 貨幣類型 8.3. 字符類型 8.4. 二進(jìn)制數(shù)據(jù)類型 8.5. 日期/時(shí)間類型 8.6. 布爾類型 8.7. 枚舉類型 8.8. 幾何類型 8.9. 網(wǎng)絡(luò)地址類型 8.10. 位串類型 8.11. 文本搜索類型 8.12. UUID類型 8.13. XML類型 8.14. 數(shù)組 8.15. 復(fù)合類型 8.16. 對(duì)象標(biāo)識(shí)符類型 8.17. 偽類型 章 9. 函數(shù)和操作符 9.1. 邏輯操作符 9.2. 比較操作符 9.3. 數(shù)學(xué)函數(shù)和操作符 9.4. 字符串函數(shù)和操作符 9.5. 二進(jìn)制字符串函數(shù)和操作符 9.6. 位串函數(shù)和操作符 9.7. 模式匹配 9.8. 數(shù)據(jù)類型格式化函數(shù) 9.9. 時(shí)間/日期函數(shù)和操作符 9.10. 支持枚舉函數(shù) 9.11. 幾何函數(shù)和操作符 9.12. 網(wǎng)絡(luò)地址函數(shù)和操作符 9.13. 文本檢索函數(shù)和操作符 9.14. XML函數(shù) 9.15. 序列操作函數(shù) 9.16. 條件表達(dá)式 9.17. 數(shù)組函數(shù)和操作符 9.18. 聚合函數(shù) 9.19. 窗口函數(shù) 9.20. 子查詢表達(dá)式 9.21. 行和數(shù)組比較 9.22. 返回集合的函數(shù) 9.23. 系統(tǒng)信息函數(shù) 9.24. 系統(tǒng)管理函數(shù) 9.25. 觸發(fā)器函數(shù) 章10. 類型轉(zhuǎn)換 10.3. 函數(shù) 10.2. 操作符 10.1. 概述 10.4. 值存儲(chǔ) 10.5. UNION 章11. 索引 11.1. 介紹 11.2. 索引類型 11.3. 多字段索引 11.4. 索引和ORDER BY 11.5. 組合多個(gè)索引 11.6. 唯一索引 11.7. 表達(dá)式上的索引 11.8. 部分索引 11.9. 操作類和操作簇 11.10. 檢查索引的使用 章12. Full Text Search 12.1. Introduction 12.2. Tables and Indexes 12.3. Controlling Text Search 12.4. Additional Features 12.5. Parsers 12.6. Dictionaries 12.7. Configuration Example 12.8. Testing and Debugging Text Search 12.9. GiST and GIN Index Types 12.10. psql Support 12.11. Limitations 12.12. Migration from Pre-8.3 Text Search 章13. 并發(fā)控制 13.1. 介紹 13.2. 事務(wù)隔離 13.3. 明確鎖定 13.4. 應(yīng)用層數(shù)據(jù)完整性檢查 13.5. 鎖和索引 章14. 性能提升技巧 14.1. 使用EXPLAIN 14.2. 規(guī)劃器使用的統(tǒng)計(jì)信息 14.3. 用明確的JOIN語(yǔ)句控制規(guī)劃器 14.4. 向數(shù)據(jù)庫(kù)中添加記錄 14.5. 非持久性設(shè)置 III. 服務(wù)器管理 章15. 安裝指導(dǎo) 15.1. 簡(jiǎn)版 15.2. 要求 15.3. 獲取源碼 15.4. 升級(jí) 15.5. 安裝過(guò)程 15.6. 安裝后的設(shè)置 15.7. 支持的平臺(tái) 15.8. 特殊平臺(tái)的要求 章16. Installation from Source Code on Windows 16.1. Building with Visual C++ or the Platform SDK 16.2. Building libpq with Visual C++ or Borland C++ 章17. 服務(wù)器安裝和操作 17.1. PostgreSQL用戶帳戶 17.2. 創(chuàng)建數(shù)據(jù)庫(kù)集群 17.3. 啟動(dòng)數(shù)據(jù)庫(kù)服務(wù)器 17.4. 管理內(nèi)核資源 17.5. 關(guān)閉服務(wù) 17.6. 防止服務(wù)器欺騙 17.7. 加密選項(xiàng) 17.8. 用SSL進(jìn)行安全的TCP/IP連接 17.9. Secure TCP/IP Connections with SSH Tunnels 章18. 服務(wù)器配置 18.1. 設(shè)置參數(shù) 18.2. 文件位置 18.3. 連接和認(rèn)證 18.4. 資源消耗 18.5. 預(yù)寫式日志 18.6. 查詢規(guī)劃 18.7. 錯(cuò)誤報(bào)告和日志 18.8. 運(yùn)行時(shí)統(tǒng)計(jì) 18.9. 自動(dòng)清理 18.10. 客戶端連接缺省 18.12. 版本和平臺(tái)兼容性 18.11. 鎖管理 18.13. 預(yù)置選項(xiàng) 18.14. 自定義的選項(xiàng) 18.15. 開發(fā)人員選項(xiàng) 18.16. 短選項(xiàng) 章19. 用戶認(rèn)證 19.1. pg_hba.conf 文件 19.2. 用戶名映射 19.3. 認(rèn)證方法 19.4. 用戶認(rèn)證 章20. 數(shù)據(jù)庫(kù)角色和權(quán)限 20.1. 數(shù)據(jù)庫(kù)角色 20.2. 角色屬性 20.3. 權(quán)限 20.4. 角色成員 20.5. 函數(shù)和觸發(fā)器 章21. 管理數(shù)據(jù)庫(kù) 21.1. 概述 21.2. 創(chuàng)建一個(gè)數(shù)據(jù)庫(kù) 21.3. 臨時(shí)庫(kù) 21.4. 數(shù)據(jù)庫(kù)配置 21.5. 刪除數(shù)據(jù)庫(kù) 21.6. 表空間 章22. 本土化 22.1. 區(qū)域支持 22.2. 字符集支持 章23. 日常數(shù)據(jù)庫(kù)維護(hù)工作 23.1. Routine Vacuuming日常清理 23.2. 經(jīng)常重建索引 23.3. 日志文件維護(hù) 章24. 備份和恢復(fù) 24.1. SQL轉(zhuǎn)儲(chǔ) 24.2. 文件系統(tǒng)級(jí)別的備份 24.3. 在線備份以及即時(shí)恢復(fù)(PITR) 24.4. 版本間遷移 章25. 高可用性與負(fù)載均衡,復(fù)制 25.1. 不同解決方案的比較 25.2. 日志傳送備份服務(wù)器 25.3. 失效切換 25.4. 日志傳送的替代方法 25.5. 熱備 章26. 恢復(fù)配置 26.1. 歸檔恢復(fù)設(shè)置 26.2. 恢復(fù)目標(biāo)設(shè)置 26.3. 備服務(wù)器設(shè)置 章27. 監(jiān)控?cái)?shù)據(jù)庫(kù)的活動(dòng) 27.1. 標(biāo)準(zhǔn)Unix工具 27.2. 統(tǒng)計(jì)收集器 27.3. 查看鎖 27.4. 動(dòng)態(tài)跟蹤 章28. 監(jiān)控磁盤使用情況 28.1. 判斷磁盤的使用量 28.2. 磁盤滿導(dǎo)致的失效 章29. 可靠性和預(yù)寫式日志 29.1. 可靠性 29.2. 預(yù)寫式日志(WAL) 29.3. 異步提交 29.4. WAL配置 29.5. WAL內(nèi)部 章30. Regression Tests 30.1. Running the Tests 30.2. Test Evaluation 30.3. Variant Comparison Files 30.4. Test Coverage Examination IV. 客戶端接口 章31. libpq-C庫(kù) 31.1. 數(shù)據(jù)庫(kù)聯(lián)接函數(shù) 31.2. 連接狀態(tài)函數(shù) 31.3. 命令執(zhí)行函數(shù) 31.4. 異步命令處理 31.5. 取消正在處理的查詢 31.6. 捷徑接口 31.7. 異步通知 31.8. 與COPY命令相關(guān)的函數(shù) 31.9. Control Functions 控制函數(shù) 31.10. 其他函數(shù) 31.11. 注意信息處理 31.12. 事件系統(tǒng) 31.13. 環(huán)境變量 31.14. 口令文件 31.15. 連接服務(wù)的文件 31.16. LDAP查找連接參數(shù) 31.17. SSL支持 31.18. 在多線程程序里的行為 31.19. 制作libpq程序 31.20. 例子程序 章32. 大對(duì)象 32.1. 介紹 32.2. 實(shí)現(xiàn)特點(diǎn) 32.3. 客戶端接口 32.4. 服務(wù)器端函數(shù) 32.5. 例子程序 章33. ECPG - Embedded SQL in C 33.1. The Concept 33.2. Connecting to the Database Server 33.3. Closing a Connection 33.4. Running SQL Commands 33.5. Choosing a Connection 33.6. Using Host Variables 33.7. Dynamic SQL 33.8. pgtypes library 33.9. Using Descriptor Areas 33.10. Informix compatibility mode 33.11. Error Handling 33.12. Preprocessor directives 33.13. Processing Embedded SQL Programs 33.14. Library Functions 33.15. Internals 章34. 信息模式 34.1. 關(guān)于這個(gè)模式 34.2. 數(shù)據(jù)類型 34.3. information_schema_catalog_name 34.4. administrable_role_authorizations 34.5. applicable_roles 34.6. attributes 34.7. check_constraint_routine_usage 34.8. check_constraints 34.9. column_domain_usage 34.10. column_privileges 34.11. column_udt_usage 34.12. 字段 34.13. constraint_column_usage 34.14. constraint_table_usage 34.15. data_type_privileges 34.16. domain_constraints 34.18. domains 34.17. domain_udt_usage 34.19. element_types 34.20. enabled_roles 34.21. foreign_data_wrapper_options 34.22. foreign_data_wrappers 34.23. foreign_server_options 34.24. foreign_servers 34.25. key_column_usage 34.26. parameters 34.27. referential_constraints 34.28. role_column_grants 34.29. role_routine_grants 34.30. role_table_grants 34.31. role_usage_grants 34.32. routine_privileges 34.33. routines 34.34. schemata 34.35. sequences 34.36. sql_features 34.37. sql_implementation_info 34.38. sql_languages 34.39. sql_packages 34.40. sql_parts 34.41. sql_sizing 34.42. sql_sizing_profiles 34.43. table_constraints 34.44. table_privileges 34.45. tables 34.46. triggered_update_columns 34.47. 觸發(fā)器 34.48. usage_privileges 34.49. user_mapping_options 34.50. user_mappings 34.51. view_column_usage 34.52. view_routine_usage 34.53. view_table_usage 34.54. 視圖 V. 服務(wù)器端編程 章35. 擴(kuò)展SQL 35.1. 擴(kuò)展性是如何實(shí)現(xiàn)的 35.2. PostgreSQL類型系統(tǒng) 35.3. User-Defined Functions 35.4. Query Language (SQL) Functions 35.5. Function Overloading 35.6. Function Volatility Categories 35.7. Procedural Language Functions 35.8. Internal Functions 35.9. C-Language Functions 35.10. User-Defined Aggregates 35.11. User-Defined Types 35.12. User-Defined Operators 35.13. Operator Optimization Information 35.14. Interfacing Extensions To Indexes 35.15. 用C++擴(kuò)展 章36. 觸發(fā)器 36.1. 觸發(fā)器行為概述 36.3. 用 C 寫觸發(fā)器 36.2. 數(shù)據(jù)改變的可視性 36.4. 一個(gè)完整的例子 章37. 規(guī)則系統(tǒng) 37.1. The Query Tree 37.2. 視圖和規(guī)則系統(tǒng) 37.3. 在INSERT,UPDATE和DELETE上的規(guī)則 37.4. 規(guī)則和權(quán)限 37.5. 規(guī)則和命令狀態(tài) 37.6. 規(guī)則與觸發(fā)器得比較 章38. Procedural Languages 38.1. Installing Procedural Languages 章39. PL/pgSQL - SQL過(guò)程語(yǔ)言 39.1. 概述 39.2. PL/pgSQL的結(jié)構(gòu) 39.3. 聲明 39.4. 表達(dá)式 39.5. 基本語(yǔ)句 39.6. 控制結(jié)構(gòu) 39.7. 游標(biāo) 39.8. 錯(cuò)誤和消息 39.9. 觸發(fā)器過(guò)程 39.10. PL/pgSQL Under the Hood 39.11. 開發(fā)PL/pgSQL的一些提示 39.12. 從OraclePL/SQL 進(jìn)行移植 章40. PL/Tcl - Tcl Procedural Language 40.1. Overview 40.2. PL/Tcl Functions and Arguments 40.3. Data Values in PL/Tcl 40.4. Global Data in PL/Tcl 40.5. Database Access from PL/Tcl 40.6. Trigger Procedures in PL/Tcl 40.7. Modules and the unknown command 40.8. Tcl Procedure Names 章41. PL/Perl - Perl Procedural Language 41.1. PL/Perl Functions and Arguments 41.2. Data Values in PL/Perl 41.3. Built-in Functions 41.4. Global Values in PL/Perl 41.6. PL/Perl Triggers 41.5. Trusted and Untrusted PL/Perl 41.7. PL/Perl Under the Hood 章42. PL/Python - Python Procedural Language 42.1. Python 2 vs. Python 3 42.2. PL/Python Functions 42.3. Data Values 42.4. Sharing Data 42.5. Anonymous Code Blocks 42.6. Trigger Functions 42.7. Database Access 42.8. Utility Functions 42.9. Environment Variables 章43. Server Programming Interface 43.1. Interface Functions Spi-spi-connect Spi-spi-finish Spi-spi-push Spi-spi-pop Spi-spi-execute Spi-spi-exec Spi-spi-execute-with-args Spi-spi-prepare Spi-spi-prepare-cursor Spi-spi-prepare-params Spi-spi-getargcount Spi-spi-getargtypeid Spi-spi-is-cursor-plan Spi-spi-execute-plan Spi-spi-execute-plan-with-paramlist Spi-spi-execp Spi-spi-cursor-open Spi-spi-cursor-open-with-args Spi-spi-cursor-open-with-paramlist Spi-spi-cursor-find Spi-spi-cursor-fetch Spi-spi-cursor-move Spi-spi-scroll-cursor-fetch Spi-spi-scroll-cursor-move Spi-spi-cursor-close Spi-spi-saveplan 43.2. Interface Support Functions Spi-spi-fname Spi-spi-fnumber Spi-spi-getvalue Spi-spi-getbinval Spi-spi-gettype Spi-spi-gettypeid Spi-spi-getrelname Spi-spi-getnspname 43.3. Memory Management Spi-spi-palloc Spi-realloc Spi-spi-pfree Spi-spi-copytuple Spi-spi-returntuple Spi-spi-modifytuple Spi-spi-freetuple Spi-spi-freetupletable Spi-spi-freeplan 43.4. Visibility of Data Changes 43.5. Examples VI. 參考手冊(cè) I. SQL命令 Sql-abort Sql-alteraggregate Sql-alterconversion Sql-alterdatabase Sql-alterdefaultprivileges Sql-alterdomain Sql-alterforeigndatawrapper Sql-alterfunction Sql-altergroup Sql-alterindex Sql-alterlanguage Sql-alterlargeobject Sql-alteroperator Sql-alteropclass Sql-alteropfamily Sql-alterrole Sql-alterschema Sql-altersequence Sql-alterserver Sql-altertable Sql-altertablespace Sql-altertsconfig Sql-altertsdictionary Sql-altertsparser Sql-altertstemplate Sql-altertrigger Sql-altertype Sql-alteruser Sql-alterusermapping Sql-alterview Sql-analyze Sql-begin Sql-checkpoint Sql-close Sql-cluster Sql-comment Sql-commit Sql-commit-prepared Sql-copy Sql-createaggregate Sql-createcast Sql-createconstraint Sql-createconversion Sql-createdatabase Sql-createdomain Sql-createforeigndatawrapper Sql-createfunction Sql-creategroup Sql-createindex Sql-createlanguage Sql-createoperator Sql-createopclass Sql-createopfamily Sql-createrole Sql-createrule Sql-createschema Sql-createsequence Sql-createserver Sql-createtable Sql-createtableas Sql-createtablespace Sql-createtsconfig Sql-createtsdictionary Sql-createtsparser Sql-createtstemplate Sql-createtrigger Sql-createtype Sql-createuser Sql-createusermapping Sql-createview Sql-deallocate Sql-declare Sql-delete Sql-discard Sql-do Sql-dropaggregate Sql-dropcast Sql-dropconversion Sql-dropdatabase Sql-dropdomain Sql-dropforeigndatawrapper Sql-dropfunction Sql-dropgroup Sql-dropindex Sql-droplanguage Sql-dropoperator Sql-dropopclass Sql-dropopfamily Sql-drop-owned Sql-droprole Sql-droprule Sql-dropschema Sql-dropsequence Sql-dropserver Sql-droptable Sql-droptablespace Sql-droptsconfig Sql-droptsdictionary Sql-droptsparser Sql-droptstemplate Sql-droptrigger Sql-droptype Sql-dropuser Sql-dropusermapping Sql-dropview Sql-end Sql-execute Sql-explain Sql-fetch Sql-grant Sql-insert Sql-listen Sql-load Sql-lock Sql-move Sql-notify Sql-prepare Sql-prepare-transaction Sql-reassign-owned Sql-reindex Sql-release-savepoint Sql-reset Sql-revoke Sql-rollback Sql-rollback-prepared Sql-rollback-to Sql-savepoint Sql-select Sql-selectinto Sql-set Sql-set-constraints Sql-set-role Sql-set-session-authorization Sql-set-transaction Sql-show Sql-start-transaction Sql-truncate Sql-unlisten Sql-update Sql-vacuum Sql-values II. 客戶端應(yīng)用程序 App-clusterdb App-createdb App-createlang App-createuser App-dropdb App-droplang App-dropuser App-ecpg App-pgconfig App-pgdump App-pg-dumpall App-pgrestore App-psql App-reindexdb App-vacuumdb III. PostgreSQL服務(wù)器應(yīng)用程序 App-initdb App-pgcontroldata App-pg-ctl App-pgresetxlog App-postgres App-postmaster VII. 內(nèi)部 章44. PostgreSQL內(nèi)部概覽 44.1. 查詢路徑 44.2. 連接是如何建立起來(lái)的 44.3. 分析器階段 44.4. ThePostgreSQL規(guī)則系統(tǒng) 44.5. 規(guī)劃器/優(yōu)化器 44.6. 執(zhí)行器 章45. 系統(tǒng)表 45.1. 概述 45.2. pg_aggregate 45.3. pg_am 45.4. pg_amop 45.5. pg_amproc 45.6. pg_attrdef 45.7. pg_attribute 45.8. pg_authid 45.9. pg_auth_members 45.10. pg_cast 45.11. pg_class 45.12. pg_constraint 45.13. pg_conversion 45.14. pg_database 45.15. pg_db_role_setting 45.16. pg_default_acl 45.17. pg_depend 45.18. pg_description 45.19. pg_enum 45.20. pg_foreign_data_wrapper 45.21. pg_foreign_server 45.22. pg_index 45.23. pg_inherits 45.24. pg_language 45.25. pg_largeobject 45.26. pg_largeobject_metadata 45.27. pg_namespace 45.28. pg_opclass 45.29. pg_operator 45.30. pg_opfamily 45.31. pg_pltemplate 45.32. pg_proc 45.33. pg_rewrite 45.34. pg_shdepend 45.35. pg_shdescription 45.36. pg_statistic 45.37. pg_tablespace 45.38. pg_trigger 45.39. pg_ts_config 45.40. pg_ts_config_map 45.41. pg_ts_dict 45.42. pg_ts_parser 45.43. pg_ts_template 45.44. pg_type 45.45. pg_user_mapping 45.46. System Views 45.47. pg_cursors 45.48. pg_group 45.49. pg_indexes 45.50. pg_locks 45.51. pg_prepared_statements 45.52. pg_prepared_xacts 45.53. pg_roles 45.54. pg_rules 45.55. pg_settings 45.56. pg_shadow 45.57. pg_stats 45.58. pg_tables 45.59. pg_timezone_abbrevs 45.60. pg_timezone_names 45.61. pg_user 45.62. pg_user_mappings 45.63. pg_views 章46. Frontend/Backend Protocol 46.1. Overview 46.2. Message Flow 46.3. Streaming Replication Protocol 46.4. Message Data Types 46.5. Message Formats 46.6. Error and Notice Message Fields 46.7. Summary of Changes since Protocol 2.0 47. PostgreSQL Coding Conventions 47.1. Formatting 47.2. Reporting Errors Within the Server 47.3. Error Message Style Guide 章48. Native Language Support 48.1. For the Translator 48.2. For the Programmer 章49. Writing A Procedural Language Handler 章50. Genetic Query Optimizer 50.1. Query Handling as a Complex Optimization Problem 50.2. Genetic Algorithms 50.3. Genetic Query Optimization (GEQO) in PostgreSQL 50.4. Further Reading 章51. 索引訪問(wèn)方法接口定義 51.1. 索引的系統(tǒng)表記錄 51.2. 索引訪問(wèn)方法函數(shù) 51.3. 索引掃描 51.4. 索引鎖的考量 51.5. 索引唯一性檢查 51.6. 索引開銷估計(jì)函數(shù) 章52. GiST Indexes 52.1. Introduction 52.2. Extensibility 52.3. Implementation 52.4. Examples 52.5. Crash Recovery 章53. GIN Indexes 53.1. Introduction 53.2. Extensibility 53.3. Implementation 53.4. GIN tips and tricks 53.5. Limitations 53.6. Examples 章54. 數(shù)據(jù)庫(kù)物理存儲(chǔ) 54.1. 數(shù)據(jù)庫(kù)文件布局 54.2. TOAST 54.3. 自由空間映射 54.4. 可見映射 54.5. 數(shù)據(jù)庫(kù)分頁(yè)文件 章55. BKI后端接口 55.1. BKI 文件格式 55.2. BKI命令 55.3. 系統(tǒng)初始化的BKI文件的結(jié)構(gòu) 55.4. 例子 章56. 規(guī)劃器如何使用統(tǒng)計(jì)信息 56.1. 行預(yù)期的例子 VIII. 附錄 A. PostgreSQL錯(cuò)誤代碼 B. 日期/時(shí)間支持 B.1. 日期/時(shí)間輸入解析 B.2. 日期/時(shí)間關(guān)鍵字 B.3. 日期/時(shí)間配置文件 B.4. 日期單位的歷史 C. SQL關(guān)鍵字 D. SQL Conformance D.1. Supported Features D.2. Unsupported Features E. Release Notes Release-0-01 Release-0-02 Release-0-03 Release-1-0 Release-1-01 Release-1-02 Release-1-09 Release-6-0 Release-6-1 Release-6-1-1 Release-6-2 Release-6-2-1 Release-6-3 Release-6-3-1 Release-6-3-2 Release-6-4 Release-6-4-1 Release-6-4-2 Release-6-5 Release-6-5-1 Release-6-5-2 Release-6-5-3 Release-7-0 Release-7-0-1 Release-7-0-2 Release-7-0-3 Release-7-1 Release-7-1-1 Release-7-1-2 Release-7-1-3 Release-7-2 Release-7-2-1 Release-7-2-2 Release-7-2-3 Release-7-2-4 Release-7-2-5 Release-7-2-6 Release-7-2-7 Release-7-2-8 Release-7-3 Release-7-3-1 Release-7-3-10 Release-7-3-11 Release-7-3-12 Release-7-3-13 Release-7-3-14 Release-7-3-15 Release-7-3-16 Release-7-3-17 Release-7-3-18 Release-7-3-19 Release-7-3-2 Release-7-3-20 Release-7-3-21 Release-7-3-3 Release-7-3-4 Release-7-3-5 Release-7-3-6 Release-7-3-7 Release-7-3-8 Release-7-3-9 Release-7-4 Release-7-4-1 Release-7-4-10 Release-7-4-11 Release-7-4-12 Release-7-4-13 Release-7-4-14 Release-7-4-15 Release-7-4-16 Release-7-4-17 Release-7-4-18 Release-7-4-19 Release-7-4-2 Release-7-4-20 Release-7-4-21 Release-7-4-22 Release-7-4-23 Release-7-4-24 Release-7-4-25 Release-7-4-26 Release-7-4-27 Release-7-4-28 Release-7-4-29 Release-7-4-3 Release-7-4-30 Release-7-4-4 Release-7-4-5 Release-7-4-6 Release-7-4-7 Release-7-4-8 Release-7-4-9 Release-8-0 Release-8-0-1 Release-8-0-10 Release-8-0-11 Release-8-0-12 Release-8-0-13 Release-8-0-14 Release-8-0-15 Release-8-0-16 Release-8-0-17 Release-8-0-18 Release-8-0-19 Release-8-0-2 Release-8-0-20 Release-8-0-21 Release-8-0-22 Release-8-0-23 Release-8-0-24 Release-8-0-25 Release-8-0-26 Release-8-0-3 Release-8-0-4 Release-8-0-5 Release-8-0-6 Release-8-0-7 Release-8-0-8 Release-8-0-9 Release-8-1 Release-8-1-1 Release-8-1-10 Release-8-1-11 Release-8-1-12 Release-8-1-13 Release-8-1-14 Release-8-1-15 Release-8-1-16 Release-8-1-17 Release-8-1-18 Release-8-1-19 Release-8-1-2 Release-8-1-20 Release-8-1-21 Release-8-1-22 Release-8-1-23 Release-8-1-3 Release-8-1-4 Release-8-1-5 Release-8-1-6 Release-8-1-7 Release-8-1-8 Release-8-1-9 Release-8-2 Release-8-2-1 Release-8-2-10 Release-8-2-11 Release-8-2-12 Release-8-2-13 Release-8-2-14 Release-8-2-15 Release-8-2-16 Release-8-2-17 Release-8-2-18 Release-8-2-19 Release-8-2-2 Release-8-2-20 Release-8-2-21 Release-8-2-3 Release-8-2-4 Release-8-2-5 Release-8-2-6 Release-8-2-7 Release-8-2-8 Release-8-2-9 Release-8-3 Release-8-3-1 Release-8-3-10 Release-8-3-11 Release-8-3-12 Release-8-3-13 Release-8-3-14 Release-8-3-15 Release-8-3-2 Release-8-3-3 Release-8-3-4 Release-8-3-5 Release-8-3-6 Release-8-3-7 Release-8-3-8 Release-8-3-9 Release-8-4 Release-8-4-1 Release-8-4-2 Release-8-4-3 Release-8-4-4 Release-8-4-5 Release-8-4-6 Release-8-4-7 Release-8-4-8 Release-9-0 Release-9-0-1 Release-9-0-2 Release-9-0-3 Release-9-0-4 F. 額外提供的模塊 F.1. adminpack F.2. auto_explain F.3. btree_gin F.4. btree_gist F.5. chkpass F.6. citext F.7. cube F.8. dblink Contrib-dblink-connect Contrib-dblink-connect-u Contrib-dblink-disconnect Contrib-dblink Contrib-dblink-exec Contrib-dblink-open Contrib-dblink-fetch Contrib-dblink-close Contrib-dblink-get-connections Contrib-dblink-error-message Contrib-dblink-send-query Contrib-dblink-is-busy Contrib-dblink-get-notify Contrib-dblink-get-result Contrib-dblink-cancel-query Contrib-dblink-get-pkey Contrib-dblink-build-sql-insert Contrib-dblink-build-sql-delete Contrib-dblink-build-sql-update F.9. dict_int F.10. dict_xsyn F.11. earthdistance F.12. fuzzystrmatch F.13. hstore F.14. intagg F.15. intarray F.16. isn F.17. lo F.18. ltree F.19. oid2name F.20. pageinspect F.21. passwordcheck F.22. pg_archivecleanup F.23. pgbench F.24. pg_buffercache F.25. pgcrypto F.26. pg_freespacemap F.27. pgrowlocks F.28. pg_standby F.29. pg_stat_statements F.30. pgstattuple F.31. pg_trgm F.32. pg_upgrade F.33. seg F.34. spi F.35. sslinfo F.36. tablefunc F.37. test_parser F.38. tsearch2 F.39. unaccent F.40. uuid-ossp F.41. vacuumlo F.42. xml2 G. 外部項(xiàng)目 G.1. 客戶端接口 G.2. 過(guò)程語(yǔ)言 G.3. 擴(kuò)展 H. The Source Code Repository H.1. Getting The Source Via Git I. 文檔 I.1. DocBook I.2. 工具集 I.3. 制作文檔 I.4. 文檔寫作 I.5. 風(fēng)格指導(dǎo) J. 首字母縮略詞 參考書目 Bookindex Index
characters

D.1. Supported Features

Identifier Package Description Comment
B012 ? Embedded C ?
B021 ? Direct SQL ?
E011 Core Numeric data types ?
E011-01 Core INTEGER and SMALLINT data types ?
E011-02 Core REAL, DOUBLE PRECISION, and FLOAT data types ?
E011-03 Core DECIMAL and NUMERIC data types ?
E011-04 Core Arithmetic operators ?
E011-05 Core Numeric comparison ?
E011-06 Core Implicit casting among the numeric data types ?
E021 Core Character data types ?
E021-01 Core CHARACTER data type ?
E021-02 Core CHARACTER VARYING data type ?
E021-03 Core Character literals ?
E021-04 Core CHARACTER_LENGTH function trims trailing spaces from CHARACTER values before counting
E021-05 Core OCTET_LENGTH function ?
E021-06 Core SUBSTRING function ?
E021-07 Core Character concatenation ?
E021-08 Core UPPER and LOWER functions ?
E021-09 Core TRIM function ?
E021-10 Core Implicit casting among the character string types ?
E021-11 Core POSITION function ?
E021-12 Core Character comparison ?
E031 Core Identifiers ?
E031-01 Core Delimited identifiers ?
E031-02 Core Lower case identifiers ?
E031-03 Core Trailing underscore ?
E051 Core Basic query specification ?
E051-01 Core SELECT DISTINCT ?
E051-02 Core GROUP BY clause ?
E051-04 Core GROUP BY can contain columns not in <select list> ?
E051-05 Core Select list items can be renamed ?
E051-06 Core HAVING clause ?
E051-07 Core Qualified * in select list ?
E051-08 Core Correlation names in the FROM clause ?
E051-09 Core Rename columns in the FROM clause ?
E061 Core Basic predicates and search conditions ?
E061-01 Core Comparison predicate ?
E061-02 Core BETWEEN predicate ?
E061-03 Core IN predicate with list of values ?
E061-04 Core LIKE predicate ?
E061-05 Core LIKE predicate ESCAPE clause ?
E061-06 Core NULL predicate ?
E061-07 Core Quantified comparison predicate ?
E061-08 Core EXISTS predicate ?
E061-09 Core Subqueries in comparison predicate ?
E061-11 Core Subqueries in IN predicate ?
E061-12 Core Subqueries in quantified comparison predicate ?
E061-13 Core Correlated subqueries ?
E061-14 Core Search condition ?
E071 Core Basic query expressions ?
E071-01 Core UNION DISTINCT table operator ?
E071-02 Core UNION ALL table operator ?
E071-03 Core EXCEPT DISTINCT table operator ?
E071-05 Core Columns combined via table operators need not have exactly the same data type ?
E071-06 Core Table operators in subqueries ?
E081-01 Core SELECT privilege ?
E081-02 Core DELETE privilege ?
E081-03 Core INSERT privilege at the table level ?
E081-04 Core UPDATE privilege at the table level ?
E081-05 Core UPDATE privilege at the column level ?
E081-06 Core REFERENCES privilege at the table level ?
E081-07 Core REFERENCES privilege at the column level ?
E081-08 Core WITH GRANT OPTION ?
E081-10 Core EXECUTE privilege ?
E091 Core Set functions ?
E091-01 Core AVG ?
E091-02 Core COUNT ?
E091-03 Core MAX ?
E091-04 Core MIN ?
E091-05 Core SUM ?
E091-06 Core ALL quantifier ?
E091-07 Core DISTINCT quantifier ?
E101 Core Basic data manipulation ?
E101-01 Core INSERT statement ?
E101-03 Core Searched UPDATE statement ?
E101-04 Core Searched DELETE statement ?
E111 Core Single row SELECT statement ?
E121 Core Basic cursor support ?
E121-01 Core DECLARE CURSOR ?
E121-02 Core ORDER BY columns need not be in select list ?
E121-03 Core Value expressions in ORDER BY clause ?
E121-04 Core OPEN statement ?
E121-06 Core Positioned UPDATE statement ?
E121-07 Core Positioned DELETE statement ?
E121-08 Core CLOSE statement ?
E121-10 Core FETCH statement implicit NEXT ?
E121-17 Core WITH HOLD cursors ?
E131 Core Null value support (nulls in lieu of values) ?
E141 Core Basic integrity constraints ?
E141-01 Core NOT NULL constraints ?
E141-02 Core UNIQUE constraints of NOT NULL columns ?
E141-03 Core PRIMARY KEY constraints ?
E141-04 Core Basic FOREIGN KEY constraint with the NO ACTION default for both referential delete action and referential update action ?
E141-06 Core CHECK constraints ?
E141-07 Core Column defaults ?
E141-08 Core NOT NULL inferred on PRIMARY KEY ?
E141-10 Core Names in a foreign key can be specified in any order ?
E151 Core Transaction support ?
E151-01 Core COMMIT statement ?
E151-02 Core ROLLBACK statement ?
E152 Core Basic SET TRANSACTION statement ?
E152-01 Core SET TRANSACTION statement: ISOLATION LEVEL SERIALIZABLE clause ?
E152-02 Core SET TRANSACTION statement: READ ONLY and READ WRITE clauses ?
E161 Core SQL comments using leading double minus ?
E171 Core SQLSTATE support ?
F021 Core Basic information schema ?
F021-01 Core COLUMNS view ?
F021-02 Core TABLES view ?
F021-03 Core VIEWS view ?
F021-04 Core TABLE_CONSTRAINTS view ?
F021-05 Core REFERENTIAL_CONSTRAINTS view ?
F021-06 Core CHECK_CONSTRAINTS view ?
F031 Core Basic schema manipulation ?
F031-01 Core CREATE TABLE statement to create persistent base tables ?
F031-02 Core CREATE VIEW statement ?
F031-03 Core GRANT statement ?
F031-04 Core ALTER TABLE statement: ADD COLUMN clause ?
F031-13 Core DROP TABLE statement: RESTRICT clause ?
F031-16 Core DROP VIEW statement: RESTRICT clause ?
F031-19 Core REVOKE statement: RESTRICT clause ?
F032 ? CASCADE drop behavior ?
F033 ? ALTER TABLE statement: DROP COLUMN clause ?
F034 ? Extended REVOKE statement ?
F034-01 ? REVOKE statement performed by other than the owner of a schema object ?
F034-02 ? REVOKE statement: GRANT OPTION FOR clause ?
F034-03 ? REVOKE statement to revoke a privilege that the grantee has WITH GRANT OPTION ?
F041 Core Basic joined table ?
F041-01 Core Inner join (but not necessarily the INNER keyword) ?
F041-02 Core INNER keyword ?
F041-03 Core LEFT OUTER JOIN ?
F041-04 Core RIGHT OUTER JOIN ?
F041-05 Core Outer joins can be nested ?
F041-07 Core The inner table in a left or right outer join can also be used in an inner join ?
F041-08 Core All comparison operators are supported (rather than just =) ?
F051 Core Basic date and time ?
F051-01 Core DATE data type (including support of DATE literal) ?
F051-02 Core TIME data type (including support of TIME literal) with fractional seconds precision of at least 0 ?
F051-03 Core TIMESTAMP data type (including support of TIMESTAMP literal) with fractional seconds precision of at least 0 and 6 ?
F051-04 Core Comparison predicate on DATE, TIME, and TIMESTAMP data types ?
F051-05 Core Explicit CAST between datetime types and character string types ?
F051-06 Core CURRENT_DATE ?
F051-07 Core LOCALTIME ?
F051-08 Core LOCALTIMESTAMP ?
F052 Enhanced datetime facilities Intervals and datetime arithmetic ?
F053 ? OVERLAPS predicate ?
F081 Core UNION and EXCEPT in views ?
F111 ? Isolation levels other than SERIALIZABLE ?
F111-01 ? READ UNCOMMITTED isolation level ?
F111-02 ? READ COMMITTED isolation level ?
F111-03 ? REPEATABLE READ isolation level ?
F131 Core Grouped operations ?
F131-01 Core WHERE, GROUP BY, and HAVING clauses supported in queries with grouped views ?
F131-02 Core Multiple tables supported in queries with grouped views ?
F131-03 Core Set functions supported in queries with grouped views ?
F131-04 Core Subqueries with GROUP BY and HAVING clauses and grouped views ?
F131-05 Core Single row SELECT with GROUP BY and HAVING clauses and grouped views ?
F171 ? Multiple schemas per user ?
F191 Enhanced integrity management Referential delete actions ?
F200 ? TRUNCATE TABLE statement ?
F201 Core CAST function ?
F221 Core Explicit defaults ?
F222 ? INSERT statement: DEFAULT VALUES clause ?
F231 ? Privilege tables ?
F231-01 ? TABLE_PRIVILEGES view ?
F231-02 ? COLUMN_PRIVILEGES view ?
F231-03 ? USAGE_PRIVILEGES view ?
F251 ? Domain support ?
F261 Core CASE expression ?
F261-01 Core Simple CASE ?
F261-02 Core Searched CASE ?
F261-03 Core NULLIF ?
F261-04 Core COALESCE ?
F271 ? Compound character literals ?
F281 ? LIKE enhancements ?
F302 ? INTERSECT table operator ?
F302-01 ? INTERSECT DISTINCT table operator ?
F302-02 ? INTERSECT ALL table operator ?
F304 ? EXCEPT ALL table operator ?
F311-01 Core CREATE SCHEMA ?
F311-02 Core CREATE TABLE for persistent base tables ?
F311-03 Core CREATE VIEW ?
F311-05 Core GRANT statement ?
F321 ? User authorization ?
F361 ? Subprogram support ?
F381 ? Extended schema manipulation ?
F381-01 ? ALTER TABLE statement: ALTER COLUMN clause ?
F381-02 ? ALTER TABLE statement: ADD CONSTRAINT clause ?
F381-03 ? ALTER TABLE statement: DROP CONSTRAINT clause ?
F382 ? Alter column data type ?
F391 ? Long identifiers ?
F392 ? Unicode escapes in identifiers ?
F393 ? Unicode escapes in literals ?
F401 ? Extended joined table ?
F401-01 ? NATURAL JOIN ?
F401-02 ? FULL OUTER JOIN ?
F401-04 ? CROSS JOIN ?
F402 ? Named column joins for LOBs, arrays, and multisets ?
F411 Enhanced datetime facilities Time zone specification differences regarding literal interpretation
F421 ? National character ?
F431 ? Read-only scrollable cursors ?
F431-01 ? FETCH with explicit NEXT ?
F431-02 ? FETCH FIRST ?
F431-03 ? FETCH LAST ?
F431-04 ? FETCH PRIOR ?
F431-05 ? FETCH ABSOLUTE ?
F431-06 ? FETCH RELATIVE ?
F441 ? Extended set function support ?
F442 ? Mixed column references in set functions ?
F471 Core Scalar subquery values ?
F481 Core Expanded NULL predicate ?
F491 Enhanced integrity management Constraint management ?
F501 Core Features and conformance views ?
F501-01 Core SQL_FEATURES view ?
F501-02 Core SQL_SIZING view ?
F501-03 Core SQL_LANGUAGES view ?
F502 ? Enhanced documentation tables ?
F502-01 ? SQL_SIZING_PROFILES view ?
F502-02 ? SQL_IMPLEMENTATION_INFO view ?
F502-03 ? SQL_PACKAGES view ?
F531 ? Temporary tables ?
F555 Enhanced datetime facilities Enhanced seconds precision ?
F561 ? Full value expressions ?
F571 ? Truth value tests ?
F591 ? Derived tables ?
F611 ? Indicator data types ?
F651 ? Catalog name qualifiers ?
F661 ? Simple tables ?
F672 ? Retrospective check constraints ?
F701 Enhanced integrity management Referential update actions ?
F711 ? ALTER domain ?
F731 ? INSERT column privileges ?
F761 ? Session management ?
F762 ? CURRENT_CATALOG ?
F763 ? CURRENT_SCHEMA ?
F771 ? Connection management ?
F781 ? Self-referencing operations ?
F791 ? Insensitive cursors ?
F801 ? Full set function ?
F850 ? Top-level <order by clause> in <query expression> ?
F851 ? <order by clause> in subqueries ?
F852 ? Top-level <order by clause> in views ?
F855 ? Nested <order by clause> in <query expression> ?
F856 ? Nested <fetch first clause> in <query expression> ?
F857 ? Top-level <fetch first clause> in <query expression> ?
F858 ? <fetch first clause> in subqueries ?
F859 ? Top-level <fetch first clause> in views ?
F860 ? <fetch first row count> in <fetch first clause> ?
F861 ? Top-level <result offset clause> in <query expression> ?
F862 ? <result offset clause> in subqueries ?
F863 ? Nested <result offset clause> in <query expression> ?
F864 ? Top-level <result offset clause> in views ?
F865 ? <offset row count> in <result offset clause> ?
S071 Enhanced object support SQL paths in function and type name resolution ?
S092 ? Arrays of user-defined types ?
S095 ? Array constructors by query ?
S096 ? Optional array bounds ?
S098 ? ARRAY_AGG ?
S111 Enhanced object support ONLY in query expressions ?
S201 ? SQL-invoked routines on arrays ?
S201-01 ? Array parameters ?
S201-02 ? Array as result type of functions ?
S211 Enhanced object support User-defined cast functions ?
T031 ? BOOLEAN data type ?
T071 ? BIGINT data type ?
T121 ? WITH (excluding RECURSIVE) in query expression ?
T122 ? WITH (excluding RECURSIVE) in subquery ?
T131 ? Recursive query ?
T132 ? Recursive query in subquery ?
T141 ? SIMILAR predicate ?
T151 ? DISTINCT predicate ?
T152 ? DISTINCT predicate with negation ?
T171 ? LIKE clause in table definition ?
T172 ? AS subquery clause in table definition ?
T173 ? Extended LIKE clause in table definition ?
T191 Enhanced integrity management Referential action RESTRICT ?
T201 Enhanced integrity management Comparable data types for referential constraints ?
T211-01 Active database, Enhanced integrity management Triggers activated on UPDATE, INSERT, or DELETE of one base table ?
T211-02 Active database, Enhanced integrity management BEFORE triggers ?
T211-03 Active database, Enhanced integrity management AFTER triggers ?
T211-04 Active database, Enhanced integrity management FOR EACH ROW triggers ?
T211-05 Active database, Enhanced integrity management Ability to specify a search condition that must be true before the trigger is invoked ?
T211-07 Active database, Enhanced integrity management TRIGGER privilege ?
T212 Enhanced integrity management Enhanced trigger capability ?
T231 ? Sensitive cursors ?
T241 ? START TRANSACTION statement ?
T271 ? Savepoints ?
T281 ? SELECT privilege with column granularity ?
T312 ? OVERLAY function ?
T321-01 Core User-defined functions with no overloading ?
T321-03 Core Function invocation ?
T321-06 Core ROUTINES view ?
T321-07 Core PARAMETERS view ?
T322 PSM Overloading of SQL-invoked functions and procedures ?
T323 ? Explicit security for external routines ?
T351 ? Bracketed SQL comments (/*...*/ comments) ?
T441 ? ABS and MOD functions ?
T461 ? Symmetric BETWEEN predicate ?
T501 ? Enhanced EXISTS predicate ?
T551 ? Optional key words for default syntax ?
T581 ? Regular expression substring function ?
T591 ? UNIQUE constraints of possibly null columns ?
T614 ? NTILE function ?
T615 ? LEAD and LAG functions ?
T617 ? FIRST_VALUE and LAST_VALUE function ?
T621 ? Enhanced numeric functions ?
T631 Core IN predicate with one list element ?
T651 ? SQL-schema statements in SQL routines ?
T655 ? Cyclically dependent routines ?
X010 ? XML type ?
X011 ? Arrays of XML type ?
X016 ? Persistent XML values ?
X020 ? XMLConcat ?
X031 ? XMLElement ?
X032 ? XMLForest ?
X034 ? XMLAgg ?
X035 ? XMLAgg: ORDER BY option ?
X036 ? XMLComment ?
X037 ? XMLPI ?
X040 ? Basic table mapping ?
X041 ? Basic table mapping: nulls absent ?
X042 ? Basic table mapping: null as nil ?
X043 ? Basic table mapping: table as forest ?
X044 ? Basic table mapping: table as element ?
X045 ? Basic table mapping: with target namespace ?
X046 ? Basic table mapping: data mapping ?
X047 ? Basic table mapping: metadata mapping ?
X048 ? Basic table mapping: base64 encoding of binary strings ?
X049 ? Basic table mapping: hex encoding of binary strings ?
X050 ? Advanced table mapping ?
X051 ? Advanced table mapping: nulls absent ?
X052 ? Advanced table mapping: null as nil ?
X053 ? Advanced table mapping: table as forest ?
X054 ? Advanced table mapping: table as element ?
X055 ? Advanced table mapping: target namespace ?
X056 ? Advanced table mapping: data mapping ?
X057 ? Advanced table mapping: metadata mapping ?
X058 ? Advanced table mapping: base64 encoding of binary strings ?
X059 ? Advanced table mapping: hex encoding of binary strings ?
X060 ? XMLParse: Character string input and CONTENT option ?
X061 ? XMLParse: Character string input and DOCUMENT option ?
X070 ? XMLSerialize: Character string serialization and CONTENT option ?
X071 ? XMLSerialize: Character string serialization and DOCUMENT option ?
X072 ? XMLSerialize: Character string serialization ?
X090 ? XML document predicate ?
X120 ? XML parameters in SQL routines ?
X121 ? XML parameters in external routines ?

Previous article: Next article: