This article contains important information to read before you install Microsoft SQL Server 2016 Service Pack 1 (SP1). It describes how to get the service pack, the list of fixes that are included in the service pack, known issues, and a list of copyright attri...
To learn how to install SQL Server 2016 R Services on Windows, seeInstall SQL Server 2016 R Services Copyright attributions This product contains software derived from the Xerox Secure Hash Function. This product includes software from the zlib general purpose compression l...
This article contains important information to read before you install Microsoft SQL Server 2016 Service Pack 1 (SP1). It describes how to get the service pack, the list of fixes that are included in the service pack, known issues, and a list of copyright attributions for the product....
SQL Server 2019 Analysis Services 展開資料表 檔案名稱檔案版本檔案大小日期時間平台 Asplatformhost.dll 2018.150.35.48 292800 25-Jul-24 2,157 x64 Mashupcompression.dll 2.87.142.0 140672 25-Jul-24 2,157 x64 Microsoft.analysisservices.minterop.dll 15.0.35.48 758224 25-Jul-24 2,157 x86 Microsoft...
ROW_FORMAT=COMPRESSEDCompresses the table and indexes using zlib KEY_BLOCK_SIZE=nSpecifies compressed page size of 1, 2, 4, 8 or 16 kilobytes; impliesROW_FORMAT=COMPRESSED. For general tablespaces, aKEY_BLOCK_SIZEvalue equal to theInnoDBpage size is not permitted. ...
)with (data_compression=none) ---data_compression就是数据压缩的关键字,其中有none(不启用数据压缩),row(行压缩),page(页压缩) 对字段约束 SQL Server 2019 中有 5 种约束,分别是:主键约束(primary key constraint)、唯一性约束(unique constraint)、检查约束(check constraint)、默认约束(default constraint...
ROW_FORMAT=COMPRESSED Compresses the table and indexes using zlib KEY_BLOCK_SIZE=n Specifies compressed page size of 1, 2, 4, 8 or 16 kilobytes; implies ROW_FORMAT=COMPRESSED. For general tablespaces, a KEY_BLOCK_SIZE value equal to the InnoDB page size is not permitted.Table...
ROW_FORMAT=COMPRESSEDFile-per-table tablespaces requireinnodb_file_format=BarracudaCompresses the table and indexes using zlib KEY_BLOCK_SIZE=nFile-per-table tablespaces requireinnodb_file_format=BarracudaSpecifies compressed page size of 1, 2, 4, 8 or 16 kilobytes; impliesROW_FORMAT...
AUTO_INCREMENT[=]value|AVG_ROW_LENGTH[=]value|[DEFAULT]CHARACTERSET[=]charset_name|CHECKSUM[=]{0|1}|[DEFAULT]COLLATE[=]collation_name|COMMENT[=]'string'|COMPRESSION[=]{'ZLIB'|'LZ4'|'NONE'}|CONNECTION[=]'connect_string'|{DATA|INDEX} DIRECTORY[=]'absolute path to directory'|DELAY_KEY_WR...
但是BIT类型由于只有0和1或者说false和true，这种情况只需要一个Bit位就可以表示了，那么在SQL Server中...