SQL用来删除表的语句是()。 A: DELETE B: DROP TABLE C: TRUNCATE TABLE D: DELETE TABLE
SQL用来删除表的语句是()。 A: DELETE B: DROP TABLE C: TRUNCATE TABLE D: DELETE TABLE
删除数据命令是()。 A: DROP TABLE B: DELETE C: DELETE TABLE D: 都不是
删除数据命令是()。 A: DROP TABLE B: DELETE C: DELETE TABLE D: 都不是
MySQL中,删除列的SQL语句是() A: ALTER TABLE ……DELETE…… B: ALTER TABLE ……DELETE COLUMN…… C: ALTER TABLE ……DROP COLUMN…… D: DELETE FROM ……
MySQL中,删除列的SQL语句是() A: ALTER TABLE ……DELETE…… B: ALTER TABLE ……DELETE COLUMN…… C: ALTER TABLE ……DROP COLUMN…… D: DELETE FROM ……
使角色 R1 在原来的基础上增加 Student 表的 DELETE 权限的语句是 A: GRANT DELETE ON TABLE Student FROM R1 B: GRANT DELETE ON TABLE Student TO R1 C: REVOKE DELETE ON TABLE Student FROM R1 D: REVOKE DELETE ON TABLE Student TO R1
使角色 R1 在原来的基础上增加 Student 表的 DELETE 权限的语句是 A: GRANT DELETE ON TABLE Student FROM R1 B: GRANT DELETE ON TABLE Student TO R1 C: REVOKE DELETE ON TABLE Student FROM R1 D: REVOKE DELETE ON TABLE Student TO R1
删除列的命令是______。 A: ALTER TABLE … DELETE … B: ALTER TABLE … DELETE COLUMN… C: ALTER TABLE … change … D: ALTER TABLE … DROP COLUMN…
删除列的命令是______。 A: ALTER TABLE … DELETE … B: ALTER TABLE … DELETE COLUMN… C: ALTER TABLE … change … D: ALTER TABLE … DROP COLUMN…
SQL语言中删除表的命令是( ). A: DROP TABLE B: ERASE TABLE C: DELETE TABLE D: DELETE DBF
SQL语言中删除表的命令是( ). A: DROP TABLE B: ERASE TABLE C: DELETE TABLE D: DELETE DBF
在SQL中,删除表的命令是 A: ERASE TABLE B: DELETE TABLE C: DROP TABLE D: DELETE DBF
在SQL中,删除表的命令是 A: ERASE TABLE B: DELETE TABLE C: DROP TABLE D: DELETE DBF
删除数据中表的命令是()。 A: delete<br/>table B: delete<br/>from table C: drop<br/>table D: drop<br/>from table
删除数据中表的命令是()。 A: delete<br/>table B: delete<br/>from table C: drop<br/>table D: drop<br/>from table
SQL语句中的删除表的命令是( )。 A: DROP TABLE B: DELETE TABLE C: ERASE TABLE D: DELETE DBF
SQL语句中的删除表的命令是( )。 A: DROP TABLE B: DELETE TABLE C: ERASE TABLE D: DELETE DBF
创建表用()关键字。 A: CREATE TABLE B: DROP TABLE C: UPDATE TABLE D: DELETE TABLE
创建表用()关键字。 A: CREATE TABLE B: DROP TABLE C: UPDATE TABLE D: DELETE TABLE