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Transact-SQL (T-SQL)

How to calculate mean in SQL Server?

Jul 20, 2022Jun 9, 2022 by Beaulin Twinkle
calculate mean in SQL Server

Here you will see with a simple example on using an existing TSQL function to calculate the mean in SQL Server.

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

How to get execution time in milliseconds in SSMS?

May 28, 2022May 28, 2022 by Beaulin Twinkle
How to get execution time in milliseconds in SQL Server Management Studio?

One another simple method to get the execution time in milliseconds in SQL Server Management Studio (SSMS)

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

How to perform an IF…THEN operation in SQL SELECT statement?

Mar 18, 2022 by Beaulin Twinkle
IF…THEN Operation In SELECT Statement

Here we will see couple of methods to perform an IF…THEN Operation in SQL Server SELECT statement.

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

How to update if row exists else insert in SQL Server

Mar 13, 2022 by Beaulin Twinkle
Update If Row Exists Else Insert In SQL Server

Developing an application with database, frequently you will need to provide option to update if a row exists else insert a row.

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

How to update values in identity column in SQL Server?

Mar 6, 2022 by Beaulin Twinkle
How To Update Values In Identity Column

There is no straight forward way to update identity values. Here is a workaround I have followed to get the work done.

Categories SQL Server Tags SQL Server 2019, Transact-SQL (T-SQL) Leave a comment

How to calculate median in SQL Server?

Jul 14, 2022Feb 20, 2022 by Beaulin Twinkle
Calculate Median In SQL Server

Here is one another simple way to calculate median using the PERCENTILE_CONT function introduced in SQL Server 2012.

Categories SQL Server Tags SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Server 2019, Transact-SQL (T-SQL) Leave a comment

How to import data from JSON file to SQL Server DB?

Feb 3, 2022 by Beaulin Twinkle
Import Data From JSON File To SQL Server

In this article, we will see how to import data from JSON file to a table using OPENROWSET and OPENJSON T-SQL relational operators.

Categories SQL Server Tags SQL, SQL Server 2019, Transact-SQL (T-SQL) 1 Comment

How to export a table to JSON file in SQL Server?

Jan 12, 2022 by Beaulin Twinkle

To export a table to JSON file, I have used FOR JSON clause to format the retrieved data as JSON and ran the BCP command through XP_CMSSHELL.

Categories SQL Server Tags SQL Server 2019, SQL Sever Management Studio (SSMS), Transact-SQL (T-SQL) 1 Comment

How to enable XP_CMDSHELL in SQL Server?

Jan 7, 2022 by Beaulin Twinkle
Enable XP_CMDSHELL In SQL Server

Enable XP_CMDSHELL to fix the error “SQL Server blocked access to procedure ‘sys.xp_cmdshell’ of component because this component is turned off”

Categories SQL Server Tags Azure Data Studio, SQL Server 2019, SQL Sever Management Studio (SSMS), Transact-SQL (T-SQL) Leave a comment

How to list all the triggers with table name and schema In SQL Server DB?

Dec 23, 2021 by Beaulin Twinkle
List All The Triggers With Table Name And Schema

Here is a simple and quick query to list all the triggers with its associated table and schema names in an SQL Server database.

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

LIKE vs CONTAINS in SQL Server

Nov 11, 2021 by Beaulin Twinkle
Like vs Contains Performance

Though LIKE and CONTAINS can be used interchangeably in several use cases, there are several differences between them. Now let us compare LIKE vs CONTAINS.

Categories SQL Server Tags SQL, SQL Server 2019, Transact-SQL (T-SQL) Leave a comment

INFORMATION_SCHEMA.TABLES vs SYS.TABLES in SQL Server

Oct 28, 2021 by Beaulin Twinkle
INFORMATION_SCHEMA.TABLES Vs SYS.TABLES

Comparition of INFORMATION_SCHEMA.TABLES Vs SYS.TABLES in SQL Server.

Categories SQL Server Tags SQL, SQL Server 2019, Transact-SQL (T-SQL) Leave a comment

Get the list of all tables in a database using TSQL in SQL Server

Oct 13, 2021 by Beaulin Twinkle
List Of All Tables In A Database using SYS.TABLES

Today we will see a simple tip on how to get the list of all tables in a SQL Server database using TSQL metadata catalogs.

Categories SQL Server Tags SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) 1 Comment

Getting accurate execution time in SQL Server SSMS

May 29, 2022Oct 8, 2021 by Beaulin Twinkle
Getting Accurate Execution Time using Client Statistics option

Status bar of SSMS won’t show the execution time in milliseconds. To get the accurate execution time in milliseconds, use the different options explained in this article.

Categories SQL Server Tags SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

Convert UTC DateTime to different time zones in SQL Server

Aug 20, 2021 by Beaulin Twinkle
Using UTC DateTime - DATETIMEOFFSET

Handling UTC DateTime in SQL Server database is very important for multi time zone applications. Here, you will learn about ways for storing the date time in UTC and converting the UTC DateTime to another time zone.

Categories SQL Server Tags SQL, SQL Server 2016, SQL Server 2017, SQL Server 2019, Transact-SQL (T-SQL) Leave a comment

SHA-2 Hashing in SQL Server

Jul 16, 2021 by Beaulin Twinkle
SHA-2 Hashing In SQL Server

Here in this article we will see the various types of SHA-2 hashing has algorithms and the algorithms supported by SQL Server with examples.

Categories SQL Server Tags Security, SQL, SQL Server 2016, SQL Server 2017, SQL Server 2019, Transact-SQL (T-SQL) Leave a comment

How to loop through table rows without cursor in SQL Server?

Mar 26, 2021 by Beaulin Twinkle
Loop Through Table Rows Without Cursor

Row-By-Row Processing Without Cursor: Here is a simple tip on how to loop through table rows without cursor in SQL Server.

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) 2 Comments

Script To Backup All The Databases In SQL Server

Mar 10, 2021 by Beaulin Twinkle
Script To Backup All The Databases

Here is a simple Transact SQL script to backup all the databases In an SQL Server

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

Finding triggers on table or schema in SQL Server DB

Feb 26, 2021 by Beaulin Twinkle
Finding Triggers For Tables

Simple tips for finding triggers in an SQL Server database based on the partial table name or all the tables under a schema.

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment

Escaping square brackets in LIKE clause in SQL Server

Feb 24, 2021Feb 17, 2021 by Beaulin Twinkle
SQL escape square brackets in like clause - Problem

When trying to filter the results using LIKE clause with string having square bracket, it won’t work. So, how to escape square brackets in LIKE clause?

Categories SQL Server Tags SQL, SQL Server 2019, SQL Tips, Transact-SQL (T-SQL) Leave a comment
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