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SQL Tutor

BACK TO HOME The SQL SELECT Statement The SELECT statement is used to select data from a database. The result is stored in a result table, called the result-set. SQL SELECT Syntax SELECT column_name(s) FROM table_name and SELECT * FROM table_name  Note: SQL is not case sensitive. SELECT is the same as select. An SQL SELECT Example The "Persons" table: P_Id LastName FirstName Address City 1 Hansen Ola Timoteivn 10 Sandnes 2 Svendson Tove Borgvn 23 Sandnes 3 Pettersen Kari Storgt 20 Stavanger Now we want to select the content of the columns named "LastName" and "FirstName" from the table above. We use the following SELECT statement: SELECT LastName,FirstName FROM Persons The result-set will look like this: LastName FirstName Hansen Ola Svendson Tove Pettersen Kari SELECT * Example Now we want to select all the columns from the "Persons" table. We use the following SELECT statement:  SELECT * FROM Persons Tip: The asterisk (*) is a quick way of selecting all columns! The result-set will look like this: P_Id LastName FirstName Address City 1 Hansen Ola Timoteivn 10 Sandnes 2 Svendson Tove Borgvn 23 Sandnes 3 Pettersen Kari Storgt 20 Stavanger