The most important performance-tuning technique available is having the needed indexes created on the tables to ensure that the SQL Server database engine is able to get the data that it needs to ...

Create a clustered index in SQL Server and Azure SQL. When you create a PRIMARY KEY constraint, a unique clustered index on the column or columns is automatically created if a clustered index on the ...

CREATE XML INDEX (Transact-SQL) [!INCLUDE SQL Server SQL Database] Creates an XML index on a specified table. An index can be created before there is data in the table. XML indexes can be created on ...

Index in sql can be thought of as index of a book. suppose, we have a book of 50 pages and we don't have indexes. now if we have to navigate to a random topic then we have to start with first page ...

When you use index views in the right situations, they can dramatically improve the performance of SQL Server queries. Tim Chapman explains why performance testing is the best way to tell if ...

Do you have a data warehouse? Do you wish your queries would run faster? If your answers are yes, check out the new columnstore index (aka Project “Apollo”) in SQL Server Code Name “Denali” today! SQL ...