Happy Diwali
Wish you all a very happy and blessed festive season. May this festival of lights brings more brightness in your […]
Boyce – Codd Normal Form (BCNF)
Boyce – Codd Normal Form (BCNF) :- A normal form is said to be a Boyce – Codd Normal Form if
Isolation levels in SQL Server
Isolation levels :- Isolation level is required to isolate a resource and protect it from other transactions. This is achieved
Merge Command In Sql Server
Merge Command:- Merge command is a new feature introduced in the SQL Server 2008. It can perform Update, Insert and
Adding , Deleting and Updating a Column in a table
Many times we need to alter the table definition by adding , deleting or updating a column in the table.
Adding , Deleting and Updating a Column in a table Read Post »
Derived Table In Sql Server
Derived tables:- Derived tables are the tables which are created on the fly with the help of the Select statement. It
Pivot and Unpivot table in SQL SERVER
Pivot Table:- Pivot tables are used to summarize and display the data, specially in case of report data by means
SQL Server- Output clause
Output Clause:- The SQL SERVER 2005 gives us an Output Clause which gives us the information about each row affected by the
CTE command In Sql Server
Common table expression (CTE):- Common table expression or CTE can be described as the temporary, named record set return by
SQL Server-Table Variable
Table variable:- SQL Server provides an variable known as table variable which is used to store data in a similar way as we
SQL Server – Local temporary table
Local temporary table:- Local temporary table is created in the tempdb and it is visible to the current user’s session
SQL Server – Global temporary tables
Global temporary table:- Global temporary table is created in the tempdb and it is visible to all other sessions as well. Global
SQL Basic Concepts, SQL Server
How to change the database collation
To change the collation of an database following commands can be used: ALTER DATABASE [database name] SET SINGLE_USER WITH ROLLBACK IMMEDIATE ALTER DATABASE [database name] COLLATE Newcollation ALTER DATABASE [database name] SET MULTI_USER For example
SQL Basic Concepts, SQL Server
How to rename a Table in Sql Server
To rename a column in a SQL Table following command can be reused: SP_RENAME ‘old table name’, ‘New table name’
SQL Server Functions- An Introduction
SQL FUNCTION: – Function in a database can be defined as the code segment consisting of a logical group of