Examine these statements: CREATE ROLE registrar GRANT UPDATE ON dtudent_grades TO registrar; GRANT registrar to user1, user2, user3; What does this set of SQL statements do? ()
第1题:
A. SER_NO
B. ORDER_ID
C. STATUS
D. PROD_ID
E. ORD_TOTAL
F. Composite index on ORDER_ID and ORDER_DATE
第2题:
Word processing software is used to creat edit,save and print (74)
A.photos
B.graphics
C.documents
D.spreadsheets
第3题:
A. You have no rows in the table.
B. You have an employee with the name of James.
C. You cannot roll back to the same savepoint more than once.
D. Your last update fails to update any rows because employee ID 180 was already eleted.
第4题:
每个系统的Creat Recovery media可以创建几套挽救介质()
第5题:
SQL语句建索引的语句是()
第6题:
SQL命令中建立表的命令是______。
A.CREAT VIEW
B.CREAT LABEL
C.CREAT DABATE
D.CREAT TABLE
第7题:
在Cisco路由器中增加用户的命令,错误的是()。
第8题:
A.
B.
C.
D.
第9题:
在AWS上定义ACU板,单击下列哪个菜单
第10题:
在SQL中,创建基本表用()