Select a subset of rows from a table using LIMIT or FETCH clause.Select distinct rows using DISTINCT operator.The SELECTstatement has the following clauses: It has many clauses that you can use to form a flexible query.īecause of its complexity, we will break it down into many shorter and easy-to-understand tutorials so that you can learn about each clause faster. The SELECT statement is one of the most complex statements in PostgreSQL. One of the most common tasks, when you work with the database, is to query data from tables by using the SELECT statement. Note that if you don’t know how to execute a query against the PostgreSQL database using the psql command-line tool or pgAdmin GUI tool, you can check it out the connecting to PostgreSQL database tutorial. Summary: in this tutorial, you are going to learn how to use the basic PostgreSQL SELECT statement to query data from a table.
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