Joins

SQL query for finding pairs of rows with same value for column C
AskAI

Write a SQL query to find all pairs of rows (a, b) such that a is in table A, b is in table B, and a and b have the same value for column C.

183
Jan 28
SQL Join for Two Tables with Common Column Values
AskAI

This technical problem deals with finding pairs of records from two tables that have the same value for a common column.

191
Nov 23
Average Employee Salary by Department
AskAI

This technical problem involves writing a SQL query to find the average salary of employees by department. The example input table includes columns for department, first name, last name, and salary. The expected output is a table with columns for department and average salary.

182
Nov 23
Finding Rows in Table A that have no Corresponding Rows in Table B
AskAI

Given two tables, "A" and "B", write a SQL query to find all the rows from table "A" that have no corresponding rows in table "B".

118
Nov 19