以下()语句执行后,DBMS开始进行完整性检查。A.INSERT语句B.UPDATE语句C.DELETE语句D.SELECT语句 A: .INSERT语句 B: UPDATE语句 C: DELETE语句 D: SELECT语句
以下()语句执行后,DBMS开始进行完整性检查。A.INSERT语句B.UPDATE语句C.DELETE语句D.SELECT语句 A: .INSERT语句 B: UPDATE语句 C: DELETE语句 D: SELECT语句
SQL语言的查询语句是( )。 A.INSERT B.UPDATE C.DELETE D.SELECT
SQL语言的查询语句是( )。 A.INSERT B.UPDATE C.DELETE D.SELECT
SQL语言的查询语句是 ______。 A.INSERT B.UPDATE C.DELETE D.SELECT
SQL语言的查询语句是 ______。 A.INSERT B.UPDATE C.DELETE D.SELECT
删除数据表用以下哪一项( ) A.DROP B.UPDATE C.DELETE D.DELETED
删除数据表用以下哪一项( ) A.DROP B.UPDATE C.DELETE D.DELETED
下列不属于DML触发器类型的是( ) A: A.INSERT触发器 B: B.UPDATE触发器 C: C.DELETE触发器 D: D.AFTER触发器
下列不属于DML触发器类型的是( ) A: A.INSERT触发器 B: B.UPDATE触发器 C: C.DELETE触发器 D: D.AFTER触发器
设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]
设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]
设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]
设B={a,c,e,f,g,h}删除字母e和h A: Delete[B,{{3},{6}}] B: Delete[B,3]; Delete[B,-1] C: Delete[B,-4];Delete[B,6] D: Delete[B,{3,6}]
设B={a,c,e,f,g,h}删除字母e和h? Delete[B,-4];Delete[B,6]|Delete[B,{{3},{6}}]|Delete[B,{3,6}]|Delete[B,3]; Delete[B,-1]
设B={a,c,e,f,g,h}删除字母e和h? Delete[B,-4];Delete[B,6]|Delete[B,{{3},{6}}]|Delete[B,{3,6}]|Delete[B,3]; Delete[B,-1]
删除商品信息表Goods中的所有信息的语句() A: DELETE B: DELETE FROM C: DELETE FROM Goods D: DELETE DATABASE
删除商品信息表Goods中的所有信息的语句() A: DELETE B: DELETE FROM C: DELETE FROM Goods D: DELETE DATABASE
char* p = new char(32);释放内存的语句是: A: delete &p; B: delete *p; C: delete [] p; D: delete <char> p;
char* p = new char(32);释放内存的语句是: A: delete &p; B: delete *p; C: delete [] p; D: delete <char> p;