Data
Find all rows in Table A that have matching values in Table B.
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Given two tables, Table A and Table B, write a SQL query to find all the rows in Table A that have matching values in Table B. Output should be Table A with only the rows that have matching values in Table B.
Maximum Average Value in Contiguous Subarray
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Given an array of n integers, find the contiguous subarray of given length k that has the maximum average value. Output the maximum average value.
SQL query to find all rows in A that have a matching row in B
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Given two tables, A and B, this SQL query will find all the rows in A that have a matching row in B.
Joining Tables to Find Fruits Eaten by John or Jane
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This technical problem involves joining two tables in order to find all of the fruits that have been eaten by either John or Jane.
Find min value in array of ints.
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To find the minimum value in an array of integers, we can simply compare each value in the array to the others and keep track of the smallest value we've seen so far.
Find all employees who work in the Sales department.
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To find all employees who work in the Sales department, we can join the Employees and Departments tables on the department_id column.
Find the intersection of two tables using SQL.
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This technical problem involves using SQL to find the intersection of two tables. In other words, the goal is to find all rows from both tables that have matching values in the specified columns.
Find all rows in TABLE_A that have corresponding rows in TABLE_B
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Given two tables, write a SQL query to find all the rows in the first table that have a corresponding row in the second table.
