语句select initcap(‘aBcDefg’)fromdual;的结果是()。
A、abcd efg
B、AbCd EfG
C、ABCD EFG
D、Abcd Efg
A、abcd efg
B、AbCd EfG
C、ABCD EFG
D、Abcd Efg
A、select ##version B、select ##version from master C、select @@version from master D、select @@version
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
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
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