On a memory-optimized table, every index is also memory-optimized. Hash indexes are one of the possible index types in a memory-optimized table. For more information, see Indexes on Memory-Optimized Tables.Applies to: SQL Server, Azure SQL Database, and Azure SQL Managed Instance....
如需詳細資訊,請參閱 SQL Server 和 Azure SQL 索引架構和設計指南。 Azure Synapse Analytics 和 Analytics Platform System (PDW) 目前不支援唯一條件約束。 任何參考唯一條件約束的範例僅適用於 SQL Server、Azure SQL Database 和 Azure SQL 受控實例。 如需索引設計指導方針的相關信息,請參閱 SQL Server 索引...
Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.TransactSql.ScriptDom v161.8901.0 The possible index types.C# คัดลอก public enum IndexTypeKind...
To set different types of data compression for different partitions, specify theDATA_COMPRESSIONoption more than once, for example: SQLCopy --For rowstore tablesREBUILDWITH( DATA_COMPRESSION =NONEONPARTITIONS(1), DATA_COMPRESSION =ROWONPARTITIONS(2,4,6TO8), DATA_COMPRESSION = PAGEONPARTITIONS(3,...
Informations de référence sur Transact-SQL (T-SQL) Date et heure Méthodes hierarchyid (moteur de base de données) Numérique String et binary Instances et géographie spatiales (Type de données geography) Instances et géométrie spatiales (Type de données geometry) Types de données XML DBCC ...
Starting with SQL Server 2012 (11.x), in Azure SQL Database, and in Azure SQL Managed Instance, if any one of the specified non-key columns are varchar(max), nvarchar(max), or varbinary(max) data types, the index can be built or rebuilt using the ONLINE option. Computed columns that...
Returns the starting position of the first occurrence of a pattern in a specified expression, or zero if the pattern is not found, on all valid text and character data types.Transact-SQL syntax conventionsSyntaxKopírovat PATINDEX ( '%pattern%' , expression ) ...
Starting with SQL Server 2012 (11.x), in Azure SQL Database, and in Azure SQL Managed Instance, if any one of the specified non-key columns are varchar(max), nvarchar(max), or varbinary(max) data types, the index can be built or rebuilt using the ONLINE option. Computed columns that...
A partitioned index cannot be created on a table in a partition-by-growth UTS. PARTITIONED cannot be specified if XMLPATTERN is specified. The types of partitioned indexes are partitioning and secondary. An index is considered a partitioning index if the specified index key columns match or ...
Support named windown function in SQL Parser. Fix a bug about table correlation with column alias. Version 2024.1.13 fix a bug in SqlTreeCreator by resolving column names first look into select list columns. fix a bug in RuleLimitClausePushDownRewrite. support other database types besid...