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Sql Server

What are Indexes and it’s types

Index:-An index is a collection of pages associated with a table used to improve the performance.Indexes are used to point to the location of a row on data page instead of  look through all data pages in a table. Planning useful indexes is one of the most important factor of improving query performance. It requires […]

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Sql Server

How Data Is Accesses In Sql Server

SQL Server first determines existence of a  index. Then query optimizer—the component responsible for generating the optimal execution plan for that query— then it determines is scanning a table or using the index is more efficient for accessing data. SQL Server accesses data in one of two ways: By scanning all the data pages in […]

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Sql Server

How to create partition table in Sql server

Partition Table in Sql Server In this tutorial i will let you know that how to create a partition table in sql server.Partitioning makes large tables or indexes more manageable, because partitioning enables you to manage and access subsets of data quickly and efficiently. Partitioned tables and indexes are only supported in the SQL Server […]

Categories
Sql Server

How to create a partition scheme in Sql server

A partition scheme in database is that maps the partitions of a partitioned table or index to filegroups. The number and domain of the partitions of a partitioned table or index are determined in a partition function. A partition function must first be created in a CREATE PARTITION FUNCTION statement before partition scheme. Permission can […]