Databases
Joining two tables on their id columns
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This technical problem deals with joining two tables on their id columns. Given two tables, table1 and table2, the goal is to write a SQL query that will join the two tables together on their respective id columns. An example is provided, along with the expected output.
Find all rows in table A that have a corresponding row in table B with the...
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Given two tables, A and B, this SQL query finds all the rows in A that have corresponding rows in B with the same value in column x.
Joining Tables: Customers and Orders
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This technical problem involves joining two tables, customers and orders, in order to find the customer name, order date, and order total for each order.
Joining Two Tables
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This technical problem deals with writing a SQL query to join two tables - Table A and Table B - so that all the rows in Table A that have a corresponding row in Table B are returned .
Finding matching rows in two tables
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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.
SQL query to find names present in both table A and table B
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Write a SQL query that returns the names of all the rows in table A that have a corresponding row in table B with the same name.
Joining the "users" and "orders" tables
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This technical problem deals with joining two tables - "users" and "orders" - in order to return the user_id, order_id, and order_date for all orders made by each user.
Joining two tables on id column
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To join two tables on the id column, use a SQL query that returns all columns from both tables. For example, given table1 with id and col1 columns, and table2 with id and col2 columns, the query would return id, col1, and col2 columns from both tables.
