ALLOW_ROW_LOCKS = { ON | OFF }Applies to: SQL Server 2008 through SQL Server 2017. Specifies whether row locks are allowed. The default is ON. ONRow locks are allowed when accessing the index. The Database Engine determines when row locks are used. OFFRow locks are not used.
IGNORE_DUP_KEY = { ON | OFF }Specifies the response type when an insert operation attempts to insert duplicate key values into a unique index. The IGNORE_DUP_KEY option applies only to insert operations after the index is created or rebuilt. The option has no effect when executing CREATE INDEX, ALTER INDEX, or UPDATE. The default is OFF. ONA warning message occurs when duplicate... » read more
STATISTICS_NORECOMPUTE = { ON | OFF }Specifies whether statistics are recomputed. The default is OFF. ONOut-of-date statistics are not automatically recomputed. OFFAutomatic statistics updating are enabled. The general recommendation to leave auto-update stats turned on (STATISTICS_NORECOMPUTE = OFF, which is the default) is for safety reasons, because if this is turned off and nothing is manually updating the stats,... » read more
From MSDN: PAD_INDEX = { ON | OFF } Specifies index padding. The default is OFF. ON: The percentage of free space that is specified by fillfactor is applied to the intermediate-level pages of the index. OFF or fillfactor is not specified: The intermediate-level pages are filled to near capacity, leaving sufficient space for at least... » read more
Object Creation File Group (with correct folder structure) Partition Function Partition Schema Partition Table Note: If the database is part of Always On, make sure the folder structure has been created on the secondary servers as well. Create File Group and Associate File to File Group ALTER DATABASE Test02 ADD FILEGROUP [fg201701_tbImageFpMatchARCH] GO ALTER DATABASE... » read more
Use the “Date” datatype rather than “Int” datatype. Int (formatted in YYYYMMDD) used to be the recommended format for partitioning, as it was cheaper (@ 4 bytes/row) than datetime (@ 8 bytes/row). Date is 3 bytes/row and is in a natural date format. Also, INT is a pain in the butt to query on as... » read more
Extended properties can be all sorts of annotations added about an object. They can be added manually, or by a tool. The extended properties has no effect on queries accessing the object. For specifying extended properties, the objects in a SQL Server database are classified into three levels: 0, 1, and 2. Level 0 is... » read more
Partitioning is the database process where very large tables are divided into multiple smaller parts. By splitting a large table into smaller, individual tables, queries that access only a fraction of the data can run faster because there is less data to scan. The main of goal of partitioning is to aid in maintenance of... » read more
Use the Feature Selection page of the SQL Server Installation Wizard to select the components to include in an installation of SQL Server. By default, none of the features in the tree are selected. Use the information in the following tables to determine the set of features that best fits your needs. Server components Description... » read more
The following table describes the editions of SQL Server. SQL Server Editions Features Enterprise The premium offering, SQL Server Enterprise edition delivers comprehensive high-end datacenter capabilities with blazing-fast performance, unlimited virtualization, and end-to-end business intelligence – enabling high service levels for mission-critical workloads and end user access to data insights. Standard SQL Server Standard edition... » read more