an index very well, it is—unfortunately—not sufficient for this book. This chapter describes the index structure in a less superficial way but doesn’t dive too deeply into details. It provides just enough in
Virtual log file growth In previous versions of SQL Server, if the next growth is more than 1/8 of the current log size, and the growth is less than 64 MB, four VLFs were created. In SQL Server 2022 (16.x), this behavior is slightly different. Only one VLF is created if the grow...
Has columnstore index enhancements for sorting and Always On Availability Group support. New security features: Always Encrypted: When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL...
What is an index? - Indexes of SQL Server are similar to the indexes in books. They help SQL Server retrieve the data quicker. Indexes are of two types. Clustered indexes and non-clustered indexes. Rows in the table are stored in the order of the clustered index key. - There can be ...
In SQL Server 2025 (17.x) Preview, when an ordered clustered columnstore index is built online, the sort algorithm usestempdbinstead of sorting the data in memory. IfMAXDOPfor the index build is 1, the build produces a fully ordered clustered columnstore index that doesn't have overlapping se...
This has the potential of more efficient segment elimination, resulting in better performance as the number of segments to read from disk is reduced. For more information, see CREATE COLUMNSTORE INDEX (Transact-SQL) and What's new in columnstore indexes.Also available in Synapse Analytics. See ...
This has the potential of more efficient segment elimination, resulting in better performance as the number of segments to read from disk is reduced. For more information, see CREATE COLUMNSTORE INDEX (Transact-SQL) and What's new in columnstore indexes.Also available in Synapse Analytics. See ...
Has columnstore index enhancements for sorting and Always On Availability Group support. New security features: Always Encrypted:When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL Se...
This property setting is already available for Azure Analysis Services. The Power BI service caches dashboard tile data and report data for initial load of Live Connect report, causing an excessive number of cache queries being submitted to the engine, and in extreme cases overload the server. ...
An availability database is sometimes called adatabase replicain Transact-SQL, PowerShell, and SQL Server Management Objects (SMO) names. For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases:sy...