T-SQL – DELETE Statement The SQL Server DELETE Query is used to delete the existing records from a table. You have to use WHERE clause with DELETE query to delete selected rows, otherwise all the records would be deleted. Syntax Following is the basic syntax of DELETE query with WHERE clause − DELETE FROM table_name […]
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T-SQL – LIKE Clause The MS SQL Server LIKE clause is used to compare a value to similar values using wildcard operators. There are two wildcards used in conjunction with the LIKE operator − The percent sign (%) The underscore (_) The percent sign represents zero, one, or multiple characters. The underscore represents a single […]
T-SQL – Quick Guide T-SQL – Overview In 1970”s the product called ”SEQUEL”, structured English query language, developed by IBM and later SEQUEL was renamed to ”SQL” which stands for Structured Query Language. In 1986, SQL was approved by ANSI (American national Standards Institute) and in 1987, it was approved by ISO (International Standards Organization). […]