Querying Microsoft SQL Server : Defining Variables
Querying Microsoft SQL Server : Defining Variables: Defining Variables in SQL Server: Like other programming languages T-SQL allows to defining your...
2013-03-13
847 reads
Find Transaction Log information
Transaction Log in SQL server records all operation on database.This recoring depends on Recovery Model selected for database.You can find...
2013-03-08
637 reads
Search all running SQL Server instances over LAN
Sometimes you need to know how many and what instances of
SQL Server running in your organization over Network. You can...
2013-02-22
2,366 reads
Generate Random Passwords using T-SQL
Use following script to generate random Passwords
DECLARE @id int,@list varcharSET @list ='abcdefghijkmnopqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ23456789.,-_!$@#%^&*'selectreplace(SUBSTRING(CONVERT(varchar(255),NEWID()),8, 8),'-','')as RANDOM
Example:
Suppose you have a table tblUser with columns[id],[userid],[password].
CREATETABLE [dbo].[tblUser]( ...
2013-02-12
4,870 reads
Handling Null Values in SQL Server
What is NULL?
In SQL, A Null is an unknown or undefined value. Some interesting
operations on NULL.
--query --resultselect 3*NULL --NULLselect 3+NULL ...
2013-02-05
531 reads
Frequently asked SQL Server Queries
Data to test:
CREATETABLE [dbo].[emp]( [emp_id]
[nchar](10)NULL, [emp_name]
[nchar](10)NULL, [salary]
[int] NULL)ON [PRIMARY] insert emp( emp_id,emp_name,salary ) select'1','ABC',-20000 insert emp( emp_id,emp_name,salary ) select'2','XYZ',-5000 insert emp( emp_id,emp_name,salary ) select'3','PQR',-7800 insert emp( emp_id,emp_name,salary...
2013-02-04
753 reads
DBCC Commands for SQL Server
DBCC Commands:
DBCC commands are most useful for
performance and troubleshooting.
The DBCC Commands are used in Maintenance, Informational use, Validation on a
database,...
2013-01-28
2,036 reads
SQL Server
What is SQL Server?Microsoft SQL Server is Relational database management system (RDBMS) developed and owned by Microsoft. It is a software...
2013-01-28
426 reads
Frequently asked Scripts during Interviews
1.Select no of Months between two dates:
SELECT DATEDIFF(MONTH,'4/1/2011','01/23/2013')+ CASE WHENDAY('4/1/2011')<DAY('01/23/2013') THEN 1 ELSE 0 END
Output:
----------------
22
2.What will be the
output of following...
2013-01-24
500 reads
FOR XML Clause
FOR XML CLAUSE: Sometimes we need to data in form of XML from
Database.SQL Server provide FOR XML Clause. For XML clause...
2012-12-26
773 reads
Blogs
JSON_OBJECTAGG is an Aggregate: #SQLNewBlogger
By Steve Jones
I wrote an article recently on the JSON_OBJECTAGG function, but neglected to include an...
Cultural Change: Fostering a Cost-Aware Culture in Your Organisation
By HeyMo0sh
After working deep in cloud operations, I’ve learned that FinOps isn’t really about dashboards...
Beyond VARBINARY: How to Store PDFs in SQL Server Using FILESTREAM and FileTable
By gbargsley
Hello, dear blog reader. Today’s post is coming to you straight from the home...
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Designing Database Changes Before Deployment: Level 1 of the Stairway to Reliable Database Deployments
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Question of the Day
Creating a JSON Document I
I want to create a JSON document that contains data from this table:
TeamID TeamName City YearEstablished 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933If I run this code, what is returned?
SELECT json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers