Qualifiers in LINQ

They are LINQ Extension Methods return Boolean Value.

1. All
2. Any
3. Contains
4. SquenceEqual

Main Components in LINQ

There are three Main Components in LINQ

1.  Standard Query Operator
2.  Language Extension
3.  LINQ Provider

add Minutes to DateTime in Sql Server

We can use DATEADD() function like below to add minutes to DateTime in Sql Server. DATEADD() functions first parameter value can be minute or mi or n all will return the same result. Below example shows how we can add two minutes to Current DateTime in Sql Server:

SELECT GETDATE() 'Now',
           DATEADD(minute,2,GETDATE()) 'Now + 2 Minutes'
SELECT GETDATE() 'Now',
           DATEADD(mi,2,GETDATE()) 'Now + 2 Minutes'
SELECT GETDATE() 'Now',
           DATEADD(n,2,GETDATE()) 'Now + 2 Minutes'

add Hours to DateTime in Sql Server

                We can use DATEADD() function like below to add hours to DateTime in Sql Server.                
                DATEADD() functions first parameter value can be hour or hh all will return the same result. Below example shows how we can add two hours to Current DateTime in Sql Server:

SELECT GETDATE() 'Now',
           DATEADD(hour,2,GETDATE()) 'Now + 2 Hours'
SELECT GETDATE() 'Now',
           DATEADD(hh,2,GETDATE()) 'Now + 2 Hours'

add Seconds to DateTime in Sql Server

               We can use DATEADD() function like below to add seconds to DateTime in Sql Server. DATEADD() functions first parameter value can be second or ss or s all will return the same result. Below example shows how we can add two seconds to Current DateTime in Sql Server:

SELECT GETDATE() 'Now',
           DATEADD(second,2,GETDATE()) 'Now + 2 Seconds'
SELECT GETDATE() 'Now',
           DATEADD(ss,2,GETDATE()) 'Now + 2 Seconds'
SELECT GETDATE() 'Now',
           DATEADD(s,2,GETDATE()) 'Now + 2 Seconds'

IIF funciton in SQL Server 2012 and give an Example

If you are using SQL Server 2012 you can use IIF and get the same effect as CASE statement.

Create a Table

CREATE TABLE SimpleTable (ID INT, NAME VARCHAR(10))
GO
Insert some value into table
INSERT INTO SimpleTable (ID, NAME)
SELECT 1, 'LAKSHMI'
UNION ALL
SELECT 2, 'NARAYANAN'
UNION ALL
SELECT 3, 'NARAYANAN'
GO

UPDATE SimpleTable
SET Gender = IIF(NAME = 'NARAYANAN', 'LAKSHMI', 'NARAYANAN')
GO
SELECT *
FROM SimpleTable
GO

Example for CASE Function in SQL

Create a Table

CREATE TABLE SimpleTable (ID INT, NAME VARCHAR(MAX))
GO
Insert some value into table
INSERT INTO SimpleTable (ID, NAME)
SELECT 1, 'LAKSHMI'
UNION ALL
SELECT 2, 'NARAYANAN'
UNION ALL
SELECT 3, 'NARAYANAN'
GO

CASE Funciton

UPDATE SimpleTable
SET Gender = CASE NAME WHEN 'NARAYANAN' THEN 'LAKSHMI' ELSE 'NARAYANAN' END
GO
SELECT *
FROM SimpleTable
GO

Example for REPLACE Function in SQL

Create a Table

CREATE TABLE SimpleTable (ID INT, Gender VARCHAR(10))
GO
Insert some value into table
INSERT INTO SimpleTable (ID, Gender)
SELECT 1, 'female'
UNION ALL
SELECT 2, 'male'
UNION ALL
SELECT 3, 'male'
GO

Replace male into female using UPDATE Query

UPDATE SimpleTable
SET Gender = REPLACE(('fe'+Gender),'fefe','')
GO
SELECT *
FROM SimpleTable
GO

SQL SERVER – 2005 – Find Stored Procedure Create Date and Modified Date

SELECT name, create_date, modify_date
FROM sys.objects
WHERE type = 'P'
AND name = '<Sp_name>'

SQL SERVER – 2005 – Search Stored Procedure Code – Search Stored Procedure Text

SELECT Name
FROM sys.procedures
WHERE OBJECT_DEFINITION(OBJECT_ID) LIKE '%<search_word>%'