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Learn what a spatial index is, why it is useful, and how to create one in SQL for geographic data. Get tips and best practices for spatial indexing in SQL.
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 ...
First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data ...
Do keep in mind that the sys.dm_db_index_usage_stats dynamic management view is reset to all zeros every time the SQL Server instance is restarted, so don't restart SQL Server then disable ...
How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, ...
SQL Server 2014 CTP1 introduced hash indexes for memory-optimized tables. Hash indexes are very efficient for point lookups, when you know exactly the value you are looking for. However, they do not ...
Columnstore indexes are available in CTP 3 of SQL Server Code Name “Denali.” You can create a columnstore index on your table by using a slight variation on existing syntax for creating indexes. To ...
SQL Server 2008 comes with quite a few new features that have more stress on query performance such as filtered index. In this article, we will see how exactly filter indexes help SQL developers and ...
Therefore, defragmentation should be a part of the SQL Server maintenance process and needs to be taken seriously. A proper query analysis plan has to be built and followed. Based on the query ...