
SQL?? ?? ???? ??? ??????
SQL??? alter table ?? ???? ?? ??? ? ????. ??? ??? ????. alter table table_name drop column column_name. SQL? ?? ? ??? ?? ??? ? ?? ??? ??? ?????.


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

SQL?? ?? ???? ??
SQL??? ALTER TABLE ?? ???? ??? ?????. ??? ??? ????. ALTER TABLE ???_?? DROP COLUMN ??_??; ??? ??? ????. ② ??? ??? ??? ??? ?????. ??? ??; ③ ???? ?????. ?? ?? ?? ????? ??? ?? ????? ???? ??? ????. ALTER TABLE ?? DROP COLUMN ??? ? ??? ??? ? ?? ???? ?? ?? ?? ??? ???? ??? ?? ? ????.
Apr 29, 2024 pm 01:15 PM
SQL?? ???? ???? ???? ??? ????.
SQL?? ???? ???? ? ???? ?? DROP TABLE???. ??? DROP TABLE table_name???. ? ???? ??? ???? ???? ???? ????? ?????.
Apr 29, 2024 pm 01:48 PM
SQL?? ?? ???? ??
SQL?? ?? ???? ??? DROP VIEW [schema_name.]view_name;???. ? ??? ??? Schema_name?? view_name??? ?? ????? ?? ???? ???? ???? ????. ?? ???? ?? ?? ?? ??? ???? ??? ?? ???? ???.
Apr 29, 2024 pm 01:33 PM
SQL?? ???? ???? ??? ??????
???? ???? SQL ??? DROP TABLE???. ? ??? ??? ??? ???? ???? ?????. ??? ??? ????. DROP TABLE table_name. ???? ????? ?? ???? ?? ???? ???? ??? ??? ??? ? ????? ????? ????. ???? ?? ?? ???? ???? ?? ????.
Apr 28, 2024 am 10:21 AM
SQL?? ???? ???? ??
DELETE ?? ???? ????? ???? ?????. DELETE ?? ??? ??? ????. DELETE FROM table_name WHERE ??. ??? table_name? ??? ???? ??? ??? ?? ?????. ??? ???? ??? ???? ?? ???? ?????.
Apr 28, 2024 am 09:09 AM
?? ??

??? ??

Kits AI
AI ???? ???? ???? ?????. ???? AI ?? ??? ??? ?????.

SOUNDRAW - AI Music Generator
SOUNDRAW? AI ?? ???? ???? ???, ?? ?? ??? ??? ?? ??? ???.

Web ChatGPT.ai
???? ??????? OpenAi Chatbot??? ?? Chrome ??.

Dawiso
????? ??? ??? ??? ??? ?????? AI ?? ???? ? ????? ?? ??? ???? ???.

Lyra - Essay Coach
AI ?? MBA ??? ?? AI ????.

??? ??









