How to create an unique constraint that allow multiple nulls? Using filtered index you can create unique constraint with multiple nulls. Using this you can store any number for NULL in a unique constraint column
Quick methods to list all foreign keys referencing a table in SQL Server using execution of simple TSQL scripts and SSMS GUI. Ways to identify all the tables referencing a table with foreign key constraint
Adding or inserting Inserting Line Break or Carriage Return or Tab to a string in SQL Server. Quick examples for adding special characters like Line Break, Carriage Return and Tab to strings.
How to do pagination of results in SQL Server In and efficient way? Best way to paginate results in SQL Server to improve performance of the application.
How to get date part alone from DateTime and DateTime2 data types in SQL Server? Here are few of the techniques to get date from DateTime column.
What is Azure Data Studio (SQL Operations Studio)? What are the salient features of SQL Ops Studio? Advantages and disadvantages of SQLOPS over SSMS.
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.
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.
TRANSLATE() is a string function introduced in SQL Server 2017. Using TRANSLATE is simple and straightforward compared to REPLACE function.
CONCAT_WS() is a new function introduced in SQL Server 2017. Here is the details on using CONCAT_WS() to concatenating strings with separator.
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 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.
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.
Similarities, differences usage of char vs varchar. Differences and similarities between char and varchar 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.
Similarities, differences, advantages and disadvantages of nvarchar vs varchar. Differences and similarities between varchar and nvarchar data types 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.
Simple method to detach and attach database in SQL Server. T-SQL method and SSMS method to detach an database and attach it back.
How to take an SQL Server database offline? Simple methods to bring a MSSQL database to offline state using transact-SQL or management studio.
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.