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SQL

SQL is a standard language for storing, manipulating and retrieving data in databases.

Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems.

SQL Group By Example | Group By Clause In SQL

SQL GROUP BY clause in SQL is used to arrange the same data into groups with the help of some functions. The GROUP BY clause group rows that have the same values into summary rows, like "find the number of customers in each city." The Group…

Left Outer Join in SQL | SQL Left Join Example

 SQL Left Outer Join returns all records from the left table (table1) and the matched records from the right table (table2). SQL LEFT JOIN clause allows us to query data from the multiple tables. It returns all the rows from a left table…

SQL SELECT Query Example | SQL SELECT Statement

SQL SELECT statement is used to fetch the data from a database table that returns this data in the form of a result table. SELECT is used in SQL to fetch records from database tables, and you can do a lot many things using Select. The…

SQL Where Clause Example | SQL Where Query

SQL WHERE clause is used to filter the database records. The WHERE clause is used to extract only those records that fulfill the specified condition. SQL WHERE clause is used to specify the condition while fetching the data from a single…