How to drop table if it exists in SQL Server? How to drop stored procedure if it exists? How to drop function if it exists? Using DROP IF EXISTS.
DROP IF EXISTS Table Or Other Objects In SQL Server
Tag: Transact-SQL (T-SQL)
Concatenate Multiple Rows Using STRING_AGG
Concatenate multiple rows into single string in SQL Server using STRING_AGG. New function STRING_AGG in SQL Server 2017 to concatinate rows of data.
Using TRANSLATE() in SQL Server
TRANSLATE() is a string function introduced in SQL Server 2017. Using TRANSLATE is simple and straightforward compared to REPLACE function.
Using CONCAT_WS() in SQL Server
CONCAT_WS() is a new function introduced in SQL Server 2017. Here is the details on using CONCAT_WS() to concatenating strings with separator.
Row Number Without Using Order By In SQL Server
How to generate row number without using ORDER By clause in SQL Server. Simple technique to override the sequence ordering while using ROW_NUMEBR() function
TRIM() Function To Remove Space In SQL Server
TRIM() Function In SQL Server 2017 and equivalent custom made TRIM UDF in 2016 and older versions ti trim the spaces at the starting and ending of a string.
Union vs Union All – Usage and Performance In SQL Server
Difference between union and union all. Performance comparison of union vs union all and identifying the best one to use and the scenarios to use them.
Char Vs Varchar Data Types In SQL Server
Similarities, differences usage of char vs varchar. Differences and similarities between char and varchar data types In SQL Server.
Nchar Vs Char Data Types In SQL Server
Similarities, differences, advantages and disadvantages of nchar vs char. Differences and similarities between char and nchar data types In SQL Server.
Nvarchar Vs Varchar Data Types In SQL Server
Similarities, differences, advantages and disadvantages of nvarchar vs varchar. Differences and similarities between varchar and nvarchar data types In SQL Server.
Move Database To Emergency Mode In SQL Server
How to move database to emergency mode in SQL Server. For repair and troubleshooting purpose you may need to set the status of database to emergency.
Detach And Attach Database In SQL Server
Simple method to detach and attach database in SQL Server. T-SQL method and SSMS method to detach an database and attach it back.
Taking Database Offline In SQL Server
How to take an SQL Server database offline? Simple methods to bring a MSSQL database to offline state using transact-SQL or management studio.
How To Split Delimited Strings in SQL Server?
Simple method to split delimited strings in newer and older versions of SQL Server. Using STRING_SPLIT() in SQL Server 2016 and higher and Few lines of code to create a function which splits the strings with delimiters on older versions.
Simulating Deadlocks And Blocks In SQL Server
Easy way to simulating deadlocks and blocks In SQL Server. You may need to simulate blocked processes and deadlocks for testing purpose.
Temp Table vs Table Variable vs CTE in SQL Server
Difference between Temp Table, Table Variable and CTE in SQL Server. Temp Table vs Table Variable vs CTE and their usage.
Hash Code Encryption with HASHBYTES in SQL Server
Encrypting a string using hash code algorithm in sql server using the HASHBYPES function. Hash Code Encryption using MD2, MD4, MD5, SHA, SHA1, SHA 256 & 512