Basic SQL Quiz
Description: Basic SQL Quiz | |
Number of Questions: 18 | |
Created by: Aliensbrain Bot | |
Tags: sql |
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What does SQL stand for?
Given an employees table as follows: empid name managerid a1 bob NULL b1 jim a1 B2 tom a1 What value will select count(*) from employees return?
The result of a SELECT statement can contain duplicate rows.
Sometimes the expression "select count(*)" will return fewer rows than the expression "select count(value)".
What type of lock will deny users any access to a table?
Which of the following is the correct SQL statement to use to remove rows from a table?
The only way to join two tables is by using standard, ANSI syntax.
A NULL value is treated as a blank or 0.
The left outer join is one type of outer join. Another one is the.