单项选择题
A. SELECT
B. DELETE
C. EXECUTE
D. ALTER TABLE
E. CREATE TABLE
单项选择题 Which SQL statement displays the date March 19, 2001 in a format that appears as "Nineteenth of March 2001 12:00:00 AM"? （）
单项选择题 Evaluate these two SQL statements: SELECT last_name, salary, hire_dateFROM EMPLOYEES ORDRE BY salary DESC; SELECT last_name, salary, hire_dateFROM EMPOLYEES ORDER BY 2 DESC; What is true about them? （）
单项选择题 Which is an iSQL*Plus command? （）