![]() If you select Schedule, select Change schedule. Generates the script to a new Query Editor window. From Save As, select Unicode text or ANSI text. ![]() Enter a file name and location in the File name box or select Browse to open the Script File Location dialog box. If you select Create script, the following options are available under Script options: Select Schedule to create the new partitioned table at a predetermined time in the future. Select Run immediately to create the new partitioned table after completing all remaining pages in the wizard. Select Create Script to create a SQL script based the previous pages in the wizard. In the Select an Output Option page, specify how you want to complete your compression. Select to estimate the size of each partition after compression by using the setting specified in the Compression Type column. This column is read-only.Īfter you select Calculate, this column displays the estimated size of each partition after compression by using the setting specified in the Compression Type column. This column is read-only.ĭisplays the current space this partition occupies in megabytes (MB). This column is read-only.ĭisplays the number of rows in this partition. List options are None, Row, and Page.ĭisplays the partition boundary. Is not available when Use the same compression type for all partitions is selected. Select the compression option for each partition. Lists each partition in the table or index. When selected, the options in the adjacent list are None, Row, and Page. This enables the selection box and disables the Compression Type column in the grid. Select to configure the same compression setting for all partitions. Use the same compression type for all partitions check box The following options are available on the Select Compression Type page: On the Select Compression Type page, select the compression type to apply to each partition in the table or index you want to compress. In the Data Compression Wizard, on the Welcome to the Data Compression Wizard page, select Next. Right-click the table or index to compress, point to Storage and select Manage Compression. To compress an index, expand the table that contains the index that you want to compress and then expand the Indexes folder. In Object Explorer, expand the database that contains the table that you want to compress and then expand the Tables folder. Using SQL Server Management Studio To enable compression on a table or index ![]() Requires ALTER permission on the table or index. For more detail, see How row compression affects storage. Several data types are not affected by data compression. You cannot change the compression setting of a single partition if the table has nonaligned indexes. For complete information on performing an ONLINE rebuild, see Perform Index Operations Online. Rebuild operations are OFFLINE unless you specify the ONLINE option. ![]() Use OFFLINE mode for a multi-threaded heap rebuild operation. If the table is a heap, the rebuild operation for ONLINE mode will be single threaded. System tables cannot be enabled for compression. To enable compression on a table or index, using:īefore You Begin Limitations and Restrictions To enable data compression when creating a table or index, see the Create a compressed index and Creating a table that uses row compression examples. This article describes how to enable data compression on an existing table or index in SQL Server by using SQL Server Management Studio or Transact-SQL. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)
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