In this 45-minute video, you’ll learn the basics of SQL, databases, and Relational Database Management Systems. The creator will walk you through installing Microsoft SQL Server and SQL Server Management Studio. Using these free tools, you can familiarize yourself with tables, primary keys, dat...
SQL-easy.com: The best, easiest way to learn SQL. Interactive online training course for SQL beginners to learn SQL fast.
Starting with SQL Server 2016 (13.x), fast inserts are enabled by default, using minimal logging when database is in simple or bulk logged recovery model to optimize insert performance for records inserted into new pages. With fast inserts, each bulk load batch acquires new extents bypassing...
SQL Server Transact-SQL Index .NET Framework error occurred during execution of user-defined routine or aggregate "geography" 'IF EXISTS(SELECT COUNT(1))' VS 'IF EXISTS(SELECT 1) ' 'Incorrect syntax near' error while executing dynamic sql 'INSERT EXEC' within a function did not work 'Sort...
SQL Copy DROP INDEX IX_Document_Title ON Production.Document; GO Index with included columns guidelinesWhen you design nonclustered indexes with included columns consider the following guidelines:Nonkey columns are defined in the INCLUDE clause of the CREATE INDEX statement. Nonkey columns ...
Azure SQL 托管实例 指定表或视图的索引碎片整理。 重要 在SQL Server的未来版本中将删除此功能。 请避免在新的开发工作中使用该功能,并着手修改当前还在使用该功能的应用程序。 请改用ALTER INDEX。 适用于:SQL Server 2008 (10.0.x) 及更高版本 Transact-SQL 语法约定 ...
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摘要: 本白皮书将向 Microsoft SQL Server 开发人员介绍 Microsoft SQL Server 2005 的国际功能。所论述的主题包括:对 Unicode 的说明、SQL Server 2005 中增加的对补充字符的支持、不同版本 SQL Server 排序规则上的变化、数据类型的变化、性能、数据提供程序方面的更新以及 SQL Server 2005 Analysis Services 和 Int...
Lookups by index are very fastReasons for NoSQL:Semi-structured data Dynamic or flexible schema Non-relational data No need for complex joins Store many TB (or PB) of data Very data intensive workload Very high throughput for IOPSSample data well-suited for NoSQL:Rapid...
Bring Your Own Key (BYOK) support for transparent data encryption (TDE) with Azure Key Vault for SQL Database and Azure Synapse Analytics. TDE with BYOK overview, benefits, how it works, considerations, and recommendations.