In SQL, the IN operator allows you to filter your query results based a list of values.
You can also use it to match any value returned by a subquery (a subquery is a query that’s nested inside another query).
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SQL CREATE TABLE … AS SELECT Statement
The SQL CREATE TABLE ... AS SELECT statement enables you to insert the results of a query into a new table.
SQL INSERT INTO… SELECT Examples
The SQL INSERT statement is most commonly used to insert individual rows into a table.
But you can also insert the results of a query into a table. This means that you can insert multiple rows at once (as long as they’re returned by the query).
SQL Joins Tutorial
A SQL join is where you run a query that joins multiple tables.
This SQL joins tutorial presents basic examples of SQL joins, as well as an introduction to the various join types.
SQL DELETE for Beginners
This article contains basic SQL DELETE statements that beginners can use to delete data from their database tables.
SQL UPDATE for Beginners
This article contains basic SQL UPDATE statements that beginners can use to update data in their database tables.
SQL Self Join
This article provides an overview of the self join in SQL, as well as a basic example.
