多项选择题
Which are DML statements? （）
A.COMMIT
B.MERGE
C.UPDATE
D.DELETE
E.CREATE
F.DROP...
相关考题
-
单项选择题
Click the Exhibit button and examine the data in the EMPLOYEES table. Examine the subquery: SELECT last_name FROM employees WHERE salary IN (SELECT MAX(salary) FROM employees GROUP BY department_id); Which statement is true?（）
A.The SELECT statement is syntactically accurate.
B.The SELECT statement does not work because there is no HAVING clause.
C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.
D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery. -
多项选择题
Which two are character manipulation functions? （）
A.TRIM
B.REPLACE
C.TRUNC
D.TO_DATE
E.MOD
F.CASE -
多项选择题
Which two are attributes of iSQL*Plus? （）
A.iSQL*Plus commands cannot be abbreviated.
B.iSQL*Plus commands are accessed from a browser.
C.iSQL*Plus commands are used to manipulate data in tables.
D.iSQL*Plus commands manipulate table definitions in the database.
E.iSQL*Plus is the Oracle proprietary interface for executing SQL statements.
