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PostgreSQL - CASE statement

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Created by:
Haris65
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In this article, we would like to show you how to use CASE statement in PostgreSQL.

Quick solution:

Practical example

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To show how the CASE statement works, we will use the following table:

PostgreSQL - example data used with CASE statement
PostgreSQL - example data used with CASE statement

Note:

At the end of this article you can find database preparation SQL queries.

Example

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In this example, we will display information about users salary using CASE statement.

Query:

Output:

PostgreSQL - CASE statement result
PostgreSQL - CASE statement result

Database preparation

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create_tables.sql file:

insert_data.sql file:

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