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SQL?? ???? ???? ???? ??????

SQL?? ???? ???? ? ???? ?? drop table???. ??? drop table table_name???. ? ???? ??? ???? ???? ???? ????? ?????. SQL? ?? ? ??? ?? ??? ? ?? ??? ??? ?????.

168

mysql sql ??? ??

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SQL?? ???? ???? ???? ??????

SQL?? ???? ???? ???? ??? ????.

SQL?? ???? ???? ? ???? ?? DROP TABLE???. ??? DROP TABLE table_name???. ? ???? ??? ???? ???? ???? ????? ?????.

Apr 29, 2024 pm 01:48 PM

mysql?? ???? ???? ???

MySQL?? ???? ???? ???? ??? ????. DROP TABLE table_name ???? ?? ???? ????? ?????. ? ??? ??? ? ????. ? ???? ? ?? ?? ???? ???? ??? ?? DROP VIEW ? DROP TEMPORARY TABLE ?? ?????.

Apr 29, 2024 pm 01:42 PM

mysql

SQL?? ???? ???? ??

DELETE ?? ???? ????? ???? ?????. DELETE ?? ??? ??? ????. DELETE FROM table_name WHERE ??. ??? table_name? ??? ???? ??? ??? ?? ?????. ??? ???? ??? ???? ?? ???? ?????.

Apr 28, 2024 am 09:09 AM

SQL?? ???? ???? ??? ??????

???? ???? SQL ??? DROP TABLE???. ? ??? ??? ??? ???? ???? ?????. ??? ??? ????. DROP TABLE table_name. ???? ????? ?? ???? ?? ???? ???? ??? ??? ??? ? ????? ????? ????. ???? ?? ?? ???? ???? ?? ????.

Apr 28, 2024 am 10:21 AM

SQL?? ??? ??? ??? ??? ?? ??? ???? ??????

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SQL?? ??? ??? ??? ??? ?? ??? ???: 1. ??? ???? ??? ? ??? ??? ??? ???? ??, ??? ??? ????? ?? ??? ???? ??? ?? ???? ???? ?? ?????. 2. ?? ??, ??? ??? ??; [ ??? ???? ??], ?? ??? ??? [??? ??? ?? ??]???.

Aug 19, 2020 pm 02:42 PM

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