SQL Tips | My Tec Bits

Get only the common records from two tables using INTERSECT

Jan 10, 2020Jan 10, 2020 by Beaulin Twinkle

With example how to get only the common records from two tables using INTERSECT and the advantages of INTERSECT over INNER JOIN.

Get records from one table which are not present in another table using EXCEPT

Jan 10, 2020Jan 4, 2020 by Beaulin Twinkle

Getting records from one table which are not present in another table using EXCEPT operator in SQL Server.

Concatenate columns to string in SQL Server

Dec 20, 2019Dec 20, 2019 by Beaulin Twinkle

In SQL Server there are several ways to concatenate columns to a single string. Here are few methods for concatenating columns based on the version of SQL Server.

Formatting SQL statements in SSMS

Dec 13, 2019Dec 13, 2019 by Beaulin Twinkle

Formatting SQL statements or source code of procedures or function in SSMS is a daunting task. Here you will see how to use a plugin to format T-SQL in SSMS.

How To Drop Temporary Table If Exists In SQL Server?

Jun 28, 2019Jun 28, 2019 by Beaulin Twinkle

Here is a simple tip on how to drop a temporary or temp table if it exists using the DIY in 2016 or higher versions of SQL Server.

How To Reset Identity Seed In SQL Server?

Jun 28, 2019Jun 28, 2019 by Beaulin Twinkle

Here is a simple tip to reset identity seed of an auto incremented identity column after deleting records from the table in SQL Server.

Convert DateTime To YYYY-MM-DD Format In SQL Server

Dec 20, 2019Jun 27, 2019 by Beaulin Twinkle

Here is a simple tip to convert the datetime value to a specific formatted date like YYYY-MM-DD in SQL Server 2012 and higher.

Generate A Date From Day, Month & Year In SQL Server

Jun 26, 2019Jun 26, 2019 by Beaulin Twinkle

Here is a simple method to generate a date from integer format of day, month and year in SQL Server.

Generating Unique Random Number For Each Row in Select Statement

Jun 21, 2019Jun 21, 2019 by Beaulin Twinkle

Unique Random Numbers For Each Row in Select Statement

Here is a simple trick for generating unique random number for each row in select statement in SQL Server. Let’s see how it works.

How To Generate Random Numbers In SQL Server?

Jun 21, 2019Jun 21, 2019 by Beaulin Twinkle

Generating random numbers is very simple in SQL Server. We can use the built-in function RAND() to generate random number. Here are some examples.

Getting The List Of Column Names Of A Table In SQL Server

Jun 20, 2019Jun 20, 2019 by Beaulin Twinkle

There are several ways to get the the list of column names of a table on a specific SQL Server database. I will go through these methods.

Getting Day Of Year In SQL Server

Jun 20, 2019Jun 20, 2019 by Beaulin Twinkle

There is a couple of straightforward ways to get day of year for a given date in SQL Server using DATENAME or DATEPART built-in function. Let’s see how to use them

How To Get Only The Date Part Of GetDate() In SQL Server?

Jun 20, 2019Jun 20, 2019 by Beaulin Twinkle

Here is the simple technique to get only the date part of GetDate() in SQL Server.

How To Find Number Of Weeks In A Month in SQL Server?

Jun 20, 2019Jun 20, 2019 by Beaulin Twinkle

Here are couple methods to find the number of weeks in a month including the partial weeks considering different start day of week.

How To Find Leap Year In SQL Server?

Jun 19, 2019Jun 19, 2019 by Beaulin Twinkle

We have to use our own logic to find whether the given year is leap or not. Here I have gone through couple of methods to find the the leap year in SQL Server.

How To Get The Last Day Of The Month In SQL Server?

Jun 14, 2019Jun 14, 2019 by Beaulin Twinkle

Here is the simple straightforward way to find the last day of the month in SQL Server using the built-in date function EOMONTH.

How To Find The First Day Of The Month In SQL Server?

Jun 14, 2019Jun 14, 2019 by Beaulin Twinkle

Here is a simple script to find the first day of the month in SQL Server without using varchar conversion. This method returns the result in datetime format.