Course Introduction：Oracle Database is a reliable, scalable and feature-rich relational database management system (RDBMS). Its architecture follows the client-server model, including server-side components (Oracle Net), instances, shared memory areas (SGAs), background processes, and database files that store data. Basic concepts include tables, rows, columns, primary keys, foreign keys, indexes and cursors. The database is known for its advantages such as high availability, big data support, rich features, strong security and ease of use.
2025-04-11 comment 0 429
Course Introduction：To realize the display of custom user fields on forums, CMS or user management platforms, the following steps must be followed: 1. Confirm whether the platform supports custom user fields. For example, WordPress can be implemented through plug-ins, Discourse through background settings, and Django through custom models; 2. Add fields and configure display permissions, such as setting field types and visibility in WordPress to ensure that privacy data is only authorized to view by users; 3. Call field values in front-end templates, such as using PHP function get_user_meta() or Django template syntax {{user.profile.city}}; 4. Test the field display effect, verify the access permissions of different roles, and the mobile terminal
2025-08-05 comment 0 868
Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...
2025-01-10 comment 0 705
Course Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10 comment 0 867
Course Introduction：Conditional Column CountingConsider a table named "Jobs" structured as follows:jobId, jobName, Prioritywhere "Priority" is an integer between 1...
2025-01-10 comment 0 876
Course Elementary 13826
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82370
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13184
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24635
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27491
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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