單項選擇題

Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12? （）

A. SELECT ename, salary*12 'Annual Salary' FROM employees;
B. SELECT ename, salary*12 "Annual Salary" FROM employees;
C. SELECT ename, salary*12 AS Annual Salary FROM employees;
D. SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY") FROM employees

你可能感興趣的試題

單項選擇題

In which scenario would index be most useful? （）

A. The indexed column is declared as NOT NULL.
B. The indexed columns are used in the FROM clause.
C. The indexed columns are part of an expression.
D. The indexed column contains a wide range of values.

多項選擇題

Which two are attributes of /SQL*Plus? （）

A. /SQL*Plus commands cannot be abbreviated.
B. /SQL*Plus commands are accesses from a browser.
C. /SQL*Plus commands are used to manipulate data in tables.
D. /SQL*Plus commands manipulate table definitions in the database.
E. /SQL*Plus is the Oracle proprietary interface for executing SQL statements.

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

Which SQL statement generates the alias Annual Salary for the calculated column SALARY*12? （）

你可能感興趣的試題

In which scenario would index be most useful? （）

Which two are attributes of /SQL*Plus? （）