Here is the T-SQL queries to reduce index fragmentation by using either INDEX REORGANIZE or INDEX REBUILD. You will also see when to REORGANIZE and REBUILD.
Reduce Index Fragmentation
Tag: Transact-SQL (T-SQL)
How To Find Index Fragmentation
Here is the T-SQL query to find index fragmentation in SQL Server database. This query will list all the indexes in the database and the the fragmentation level in percent.
Escape Special Characters Using STRING_ESCAPE
Simple and clean method to escape special characters using STRING_ESCAPE system function. STRING_ESCAPE function was introduced in SQL 2016. Here we will see how to use it to escape dome of the special characters.
How To Get Day Of Week In SQL Server?
Sometimes we need to get the day of week in name or number. SQL Server has a couple of inbuilt functions to get the day of week from the given date. To get the name of the day of week,…
Compatibility Level Field Is Disabled In SQL Server
Unable to change SQL Server database compatibility level from management studio. Because the compatibility level field in the database properties window is disabled and grayed out.
How To Copy Tables From one Database To Another In SQL Server?
How to copy tables from one database to another database In SQL Server? Here is a quick tip to copy a table along with it’s table structure from one SQL Server database to another database on the same server.
Rollback Transaction On Error In SQL Server Stored Procedure
How to rollback transaction on error in SQL Server stored procedure? Example for including transaction in TRY – CATCH block to rollback a transaction on any error occurred in the stored procedure.
How To Return Error Message In Stored Procedure
How will you return error message in SQL Server stored procedure? Capturing the exception occurred in a stored procedure and returning the error message to the calling application is important in SQL Server programming. Here is the method to return the error message from a stored procedure.
Unique Constraint That Allow Multiple Nulls In SQL Server
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
List All Foreign Keys Referencing A Table In SQL Server
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
Inserting Line Break or Carriage Return or Tab To String In SQL Server
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.
Pagination of Results in SQL Server In Efficient Way
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 from DateTime data type in SQL Server?
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.
SQL Operations Studio: A Cross-Platform SQL Server Tool
What is SQL Operations Studio? What are the salient features of SQL Ops Studio? Advantages and disadvantages of SQLOPS over SSMS.
DROP IF EXISTS Table Or Other Objects In SQL Server
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 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.