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How to Detect Index Fragmentation in SQL Server The index compaction is based on the presented fill factor’s value. Rebuilding indexes also compact the number of index pages. reorganizing defragments the leaf level of the clustered index and non-clustered indexes on tables. Rebuilding any index utilizes only some negligible system resources. In this defragmentation process, we set the particular or existing fill factor, and then, it maintains the index rows in adjacent pages. This process eliminates the fragmentation and repossesses the storage space by compacting the size of pages. The index fragmentation can be monitored only via rebuilding or re-creating that index. A lot of unused space may increase the number of pages in index. The fragmentation also impinges on the executed queries and range scanning process. The deeply fragmented index mortifies the performance of MS SQL Server and it may the cause of slow responding OS. When the logical order of pages in an index does not match with its physical data order, the index fragmentation happens. The SQL Server automatically sustains its indexes after executing any operation in it as INSERT, UPDATE, MERGE and DELETE.
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Therefore, SQL Server does not perform a full table scanning process for searching any data and present us the required data through its indexes. Whenever any search operation becomes performed in SQL, the SQL Server searches the value in its index and after that locates that entire row of data. This index assists to get a quick idea about contained data, but instead of navigating any book, it is a catalog of the SQL Server database.
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The SQL Server index is analogous to the index of any book. What is Index Fragmentation in SQL Server Towards the last part of this article, it also carries a professional method of rebuilding index in SQL Server. Through stated procedures, users possibly will accomplish the task without any data loss. The entire techniques are estranged into various subdivisions to make this operation uncomplicated for users. Summary: This writes up expounds the methodical procedures to reorganize and rebuild any fragmented index in MS SQL Server.