Category: DBMS Concepts
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Mirroring Witness getting disappear from Mirroring Setup…
Recently we have faced one issue where DB mirroring witness getting disappear from mirroring setup. This is happening once Principal get down or SQL services restarts. In the case, we found DB fail-over is also is not working. Once the Principal server come online the DB start serving role as Principal DB and get in…
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Ghost Records
When any record get deleted from DB, SQL Server does not delete the records physically from disk immediately. The deleted records which exists physically in storage called Ghost Records. SQL Server does not use synchronous method to delete the records physically for DML operation because if SQL Server delete the records synchronously, this will going to drastically…
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Important SQL Server Scripts…
Restore Progress Check… ========================================================================== DECLARE @DBName VARCHAR(64) = ‘ODS’ DECLARE @ErrorLog AS TABLE([LogDate] CHAR(24), [ProcessInfo] VARCHAR(64), [TEXT] VARCHAR(MAX)) INSERT INTO @ErrorLog EXEC master..sp_readerrorlog 0, 1, ‘Recovery of database’, @DBName INSERT INTO @ErrorLog EXEC master..sp_readerrorlog 0, 1, ‘Recovery completed’, @DBName SELECT TOP 1 @DBName AS [DBName] ,[LogDate] ,CASE WHEN…
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Methods to change windows authentication to mixed mode (windows and SQL server authentication)
Hey guys, In this blog I am going to explain you about different methods to Enable Mixed Mode authentication Ø Enable Mixed mode authentication using Management studio Ø Enable Mixed mode authentication using Registry editor 1. Enable Mixed mode Authentication using MANAGEMENT STUDIO- STEP-1: Open a server in Management studio. Go to server -> right click -> instance ->properties…
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Stored Procedure in a SQL Server-
Hey guys, In this blog, I am going to explain you about stored procedure and how to implement stored procedure in a SQL Server. Stored procedure – Stored procedure in SQL is a group of SQL statements that are stored together in a database. Based on the statements in the procedure and the parameters you pass,…
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Point-in-time recovery in SQL Server
Hey guys, In this blog we will discussed about point-in-time recovery in SQL Server and how to perform it and also we discussed on full, differential and transaction log backup. 1. Full backup – A Full backup is a complete backup of a database. The full backup contains all the data in a database and…
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View in SQL Server
Hello guys, In this blog, I am going to explain you about a view and how to create a view inside the database. View– A VIEW in SQL Server is like a virtual table that contains data from one or multiple tables. It does not hold any data and does not exist physically in the…
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Pages and Extent in SQL Server
Hey guys, In this blog I am going to explain you about Pages and Extent in SQL Server and also different types of pages in SQL Server Pages – A page is a unit of data storage in SQL. The size of a page is 8Kb. The data rows are put on the page serially after…
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SQL Server Network Configuration
Hey guys, hope you are doing great. In this blog I am going to explain you about SQL Server Network Configuration and enabling/disabling different protocols. SQL Server Network Configuration – SQL Server Network Configuration involves enabling the protocols that manage the connection to the SQL Server and configuring the available options for these network protocols. It…