Database Tutorials MSSQL, Oracle, PostgreSQL, MySQL, MariaDB, DB2, Sybase, Teradata, Big Data, NOSQL, MongoDB, Couchbase, Cassandra, Windows, Linux 
Tempdb is a very important system database for heavily used systems. If it is not configured correctly, it can cause serious performance problems in the …
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MSSQL
Parallel Insert Select in SQL Server
With SQL Server 2016, we are now able to use parallelism in the query using INSERT INTO… SELECT with WITH (TABLOCK). In order for the …
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Live Query Statistics in SQL Server
What is Live Query Statistics Live Query Statistics is a feature that we can use with SQL Server 2016 Management Studio. But we can use …
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Temporal Tables in SQL Server
What is a temporal table in SQL Server? We can store the history of inserts, updates and deletes by using temporal tables. Previously, we could …
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ON DELETE CASCADE and ON UPDATE CASCADE in SQL Server
We can use these statements together with the Foreing Key constraints. First of all, it is necessary to understand in detail what Foreign Key is. …
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What is Natively Compiled Scalar User-Defined Function(Udf)?
We are able to create Scalar User-Defined Function in SQL Server 2016 for Memory Optimized tables. For In Memory OLTP and Memory Optimized Tables, I …
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Generate In-Memory OLTP Migration Checklists(Objects in the Database is practicable to In-Memory OLTP?)
In this article, I will share What is Generate In-Memory OLTP Migration Checklists. If you want to learn What is In Memory OLTP and In-Memory …
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SQL Server Database Administrator’s Roadmap
In this article, I will describe the tasks and responsibilities of “SQL Server Database Administrator“. I will link to articles about how each item can …
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UpdateUptimeRegKey: Operating system error 5(Access is denied.)
This is because the user account that the SQL Server service is running on is not authorized in the MSSQL Registry files. Solution -> Run …
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Auto Update Statistics in Memory Optimized Tables
With SQL Server 2016, support for automatic update statistics in Memory Optimized Tables is available. If the database is created with compatibility level 130, nothing …
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