SQL AND & OR Operators
SQL AND operator is used to filter the records by combining two boolean expressions and returns true when both boolean expressions are true whereas SQL OR operator returns true value when either the first...
by Manzoor Siddiqui · Published August 17, 2015 · Last modified September 24, 2015
SQL AND operator is used to filter the records by combining two boolean expressions and returns true when both boolean expressions are true whereas SQL OR operator returns true value when either the first...
by Manzoor Siddiqui · Published August 16, 2015 · Last modified September 24, 2015
You can specify multiple values with IN operator and it will return matching values from WHERE clause of a table. IN operator matches values in a list or subquery and returns the output. Here...
by Taiba Hamid · Published August 15, 2015 · Last modified September 24, 2015
The GROUP BY clause is used to summarize data based on grouping criteria. For each group one column is returned in result set. Syntax SELECT expression1, expression2, … expressionN, aggregate_function (aggregate_expression) FROM TableName WHERE conditions GROUP...
Articles / Database Administration / SQL Server / SQL Tips and Tricks / Tutorials
by Manzoor Siddiqui · Published August 14, 2015 · Last modified September 24, 2015
642viewsTo maintain security and access level of database, SQL Server provides fixed server roles. As the name indicates, you cannot modify or alter server roles hence it helps to manage permissions on the server....
by Manzoor Siddiqui · Published August 13, 2015 · Last modified September 24, 2015
A table is primarily a list of useful items or a group of lists and to manage such list it should be organised. To organise this information it is divided into rows and columns....
SQL Commands / SQL Programming / SQL Server / SQL Tips and Tricks
by Manzoor Siddiqui · Published August 12, 2015 · Last modified October 18, 2015
315views IIF() logical function has been introduced in SQL Server 2012. We already know about CASE expression and IF-Else statement in SQL Server so now you can also use IIF() function to get the same...