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Transact-SQL (T-SQL)

Altering existing tables with data to system-versioned temporal table

Apr 2, 2020 by Beaulin Twinkle
Altering existing tables to system-versioned temporal table with data

Here are the simple steps with example for altering existing version tables with data to system-versioned temporal table.

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

Get the list of temporal tables in SQL Server DB

Mar 25, 2020 by Beaulin Twinkle
list of temporal tables in SQL Server DB

Using simple sql technique, here we will see how to get the list of temporal tables in a database.

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

Check and drop system-versioned temporal table if exists

Mar 19, 2020 by Beaulin Twinkle
Check and drop system versioned temporal table if exists

How to check and drop a system-versioned temporal table if it exists in the database as temporal tables are different from regular tables?

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

How to find the history table of a temporal table?

Mar 18, 2020 by Beaulin Twinkle
find the history table of a temporal table

Here a simple trick to find the name of the history table of a system versioned temporal table using SQL select statement.

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

Find if system versioned temporal table exists

Mar 18, 2020Mar 18, 2020 by Beaulin Twinkle
Find if temporal table exists

Let us see how to check if a specific table is system versioned temporal or not using SQL script. SQL tips to check if temporal table exists.

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

Get only the common records from two tables using INTERSECT

Jan 10, 2020 by Beaulin Twinkle
Get only the common records from two tables using INTERSECT

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

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

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

Jan 10, 2020Jan 4, 2020 by Beaulin Twinkle
Get records from one table which are not present in another table using EXCEPT

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

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

Concatenate columns to string in SQL Server

Dec 20, 2019 by Beaulin Twinkle
Concatenate columns to string in SQL Server

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.

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

Formatting SQL statements in SSMS

Dec 13, 2019 by Beaulin Twinkle
After Formatting SQL Statements in SSMS

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.

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

How To Drop Temporary Table If Exists In SQL Server?

Jun 28, 2019 by Beaulin Twinkle
Drop Temporary Table Only If Exists

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.

Categories SQL Server Tags SQL Server 2008, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Tips, Transact-SQL (T-SQL) Leave a comment

How To Reset Identity Seed In SQL Server?

Jun 28, 2019 by Beaulin Twinkle
Reset Identity Seed In SQL Server

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

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

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

Dec 20, 2019Jun 27, 2019 by Beaulin Twinkle
Convert DateTime To YYYY-MM-DD Format

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.

Categories SQL Server Tags SQL Server 2012, SQL Server 2017, SQL Tips, Transact-SQL (T-SQL) 3 Comments

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

Jun 26, 2019 by Beaulin Twinkle
Generate A Date From Day, Month & Year

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

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

RAND() vs NEWID() In SQL Server

Jun 26, 2019 by Beaulin Twinkle
Rand() vs NewId()

Here we will compare the builtin SQL Server functions RAND() vs NEWID() and understand the major differences between them.

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

Generating Unique Random Number For Each Row in Select Statement

Jun 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.

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

How To Generate Random Numbers In SQL Server?

May 14, 2021Jun 21, 2019 by Beaulin Twinkle
Generate Random Numbers In SQL Server

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.

Categories SQL Server Tags SQL Tips, Transact-SQL (T-SQL) 4 Comments

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

Jun 20, 2019 by Beaulin Twinkle
Column Names using SP_COLUMNS

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.

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

Getting Day Of Year In SQL Server

Jun 20, 2019 by Beaulin Twinkle
Get Day Of Year In SQL Server

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

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

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

Jun 20, 2019 by Beaulin Twinkle
Get Only The Date Part Of GetDate()

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

Categories SQL Server Tags SQL Server 2008, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Tips, Transact-SQL (T-SQL) Leave a comment

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

Jun 20, 2019 by Beaulin Twinkle
Find Number Of Weeks In A Month in SQL Server

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

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