SQL is a powerful language for manipulating data in databases, but sometimes you need to add some logic or conditions to your queries. That's where SQL CASE and IF statements come in handy.

Learn how to link tables based on a condition with inner join, left join, right join, and full join in SQL queries. Agree & Join LinkedIn By clicking Continue to join or sign in, you agree to ...

An IN condition tests if the column value that is returned by the sql-expression on the left is a member of the set (of constants or values returned by the query-expression) on the right. If so, it ...

This article discusses the "DROP IF EXISTS" statement available in SQL Server 2016 and later versions. "IF EXITS" is the latest optional clause. Menu; ... it prevents the old way of writing if ...

Good God, that looks so much easier than screwing around with the system.Data classes. Most of my databases are built with SQL Express. I have the free copy of SQL Server Management Studio (SSMS ...

For details about search conditions that contain only one AND or OR operator, see Specify Multiple Search Conditions for One Column (Visual Database Tools) and Specify Multiple Search Conditions for ...

Which basically applies the condition test_field > 3 to the nested documents only (because of the must statement). This is a valid type of query as well, but in the SQL query above, the expect/correct ...

The result of an EXISTS condition is true if the subquery resolves to at least one row. The result of a NOT EXISTS condition is true if the subquery evaluates to zero rows. For example, the following ...