For performance of queries, it is a best practice to create surrogate key, typically an integer column, to refer to the row in the dimension table from the fact table. The columnstore index runs analytics querie
Statistics can be automatically updated.The logic that automatically updates statistics is more aggressive on large tables. In practice, this should reduce cases where customers have seen performance issues on queries where newly inserted rows are queried frequently but where the statistics hadn't be...
Version 80 non-versioned Windows collations The BIN or BIN2 binary collations The SQL* collations Version 140 collations (these don't need the SC flag, because they already support supplementary characters) The following table compares the behavior of some string functions and string operators when ...
Statistics can be automatically updated.The logic that automatically updates statistics is more aggressive on large tables. In practice, this should reduce cases where customers have seen performance issues on queries where newly inserted rows are queried frequently but where the statistics hadn't been...
extra time is required to register the new DHCP network IP address that is associated with the listener DNS name and impact the client connectivity. However, DHCP is good for setting up your development and testing environment to verify basic functions of availability groups and for integration wit...
Best Practice: Use of semi-colon to terminate statements; Best practices in writing queries for huge dataset Best way to delete 311 million records from SQL Server 2017 Best way to Delete million records from billion records table Best way to Delete the Data Best way to force materialize a CT...
However, in practice, this CHANGETABLE is almost always joined with the original table in order to get the latest data. Full-Text Search: A performance hit is expected for queries using the following Full-Text Search and Semantic Search functions, because of an extra join introduced to apply ...
Examples of the required window function include built-in such as AVG or user-defined aggregates, as well as built-in functions for windows such as ROW_NUMBER). The OVER Clause can be used in the SELECT or ORDER BY Clauses. If the OVER Clause appears in SELECT, the result of the ...
The prefix for all driver functions is sqlsrv. The SQL Server Driver for PHP relies on the Microsoft SQL Server 2005 ODBC Driver to handle the low-level communication with SQL Server. As a result, the SQL Server Driver for PHP is only supported on Windows. Microsoft provides support for ...
Consider installing the latest version of the SQL Server OLE DB and ODBC drivers instead of using the native SQL Server drivers that ship with Windows. Not only are the newer drivers faster, but they support new features in Azure SQL that the previous drivers don’t. You can ...