Compressing the leaf level of tables and indexes with page compression consists of three operations in the following order:Row compression Prefix compression Dictionary compressionWhen you use page compression, non-leaf-level pages of indexes are compressed by using only row compression. For more ...
Cumulative Update 12for SQL Server 2014 Service Pack 2 About cumulative updates for SQL Server Workaround To work around this problem, disable page compression on tables. Status Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section....
EXEC sp_estimate_data_compression_savings 'dbo', 'CounterData', NULL, NULL, 'PAGE' ; GO The screenshot below illustrates rebuild procedure in order to apply compression at the page level. My laptop is definitely struggling whilst the data is being compressed…中文...
One year ago, the Data Compression support for SAP DDIC was introduced bySAP note 1459005 (Enabling index compression for SQL Server). By setting the profile parameter dbs/mss/compression you can change the compression type, which is used by the DDIC when creating new tables....
InnoDB supports page-level compression for tables that reside in file-per-table tablespaces. This feature is referred to as Transparent Page Compression. Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Supported compression algorithms include Zlib and...
SnapshotCompression Defines how snapshots are compressed. The default value is SQL. The valid values are as follows: Expand table ValuesDescription SQL Snapshots are compressed when stored in the report server database. This compression is the current behavior. None Snapshots aren't compressed. All...
InnoDB supports page-level compression for tables that reside in file-per-table tablespaces. This feature is referred to as Transparent Page Compression. Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Supported compression algorithms include Zlib and...
In the previous blog, I had mentioned that the PAGE compression is used to “minimize the data redundancy in columns in one or more rows on a given page”. You may wonder what exactly SQL Server does under thePAGE compressioncover? With PAGE compression, the SQL Server eliminates two types...
The level of compression is the same regardless of the KEY_BLOCK_SIZE value. As you specify smaller values for KEY_BLOCK_SIZE, you get the I/O benefits of increasingly smaller pages. But if you specify a value that is too small, there is additional overhead 【ˌoʊvərˈhed 开...
DataCompressionLevel DataCompressionOption DataModificationSpecification DataModificationStatement DataModificationTableReference DataRetentionTableOption DataTypeReference DataTypeSequenceOption DbccCommand DbccNamedLiteral DbccOption DbccOptionKind DbccStatement DeallocateCursorStatement DeclareCursorStatement DeclareTableV...