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Tag Archives: SQL Advance Concepts
SQL Triggers – An Introduction
SQL Triggers – An Introduction Contents Introduction Magic Tables Difference between Stored Procedure and Trigger DML Triggers After Triggers Syntax of the After trigger Example of After Trigger for Insert Example of After Trigger for Delete Example of After Trigger … Continue reading
Replication in SQL Server
Replication in SQL Server Introduction Replication in SQL Server is a way of distribution of database and their objects from one master database to one or more recipient databases which can be on the same server or on the remote server. … Continue reading
Log Shipping in SQL Server
Log Shipping in SQL Server Log Shipping Log Shipping in SQL Server is a process of keeping the latest copy of the database of the primary database server on the secondary database server with the help of transaction logs backup. … Continue reading
Posted in SQL Log Shipping, SQL Server
Tagged SQL Advance Concepts, SQL Log Shipping
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Rebuild And Reorganization of Indexes
Rebuild and Reorganization of Indexes SQL Server has the ability of maintaining the indexes whenever we makes changes (update, Insert, Delete) in the tables. Over a period of time, the may causes the fragmentation on the table in which the … Continue reading
Fragmentation in SQL Server
Fragmentation:- Fragmentation can be defined as condition where data is stored in a non continuous manner. This article help in understanding the fragmentation in SQL Server. It can be defined into two types1. Internal Fragmentation 2. External Fragmentation Internal Fragmentation:- … Continue reading
Isolation levels in SQL Server
Isolation levels :- Isolation level is required to isolate a resource and protect it from other transactions. This is achieved with the help of locks but what locks are needed and how they can be established is decided on the … Continue reading
Posted in SQL Isolation Level, SQL Server
Tagged CodeProject, SQL Advance Concepts, SQLServerPediaSyndication
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Merge Command In Sql Server
Merge Command:- Merge command is a new feature introduced in the SQL Server 2008. It can perform Update, Insert and delete operations at a single statement which means all the data is processed and read only once instead of three … Continue reading
Derived Table In Sql Server
Derived tables:- Derived tables are the tables which are created on the fly with the help of the Select statement. It is different from the temporary table in the way that in case of temporary table, first we have to create a temporary … Continue reading
Pivot and Unpivot table in SQL SERVER
Pivot Table:- Pivot tables are used to summarize and display the data, specially in case of report data by means of aggregating the values. Pivot table can be used if we want to display the unique values of the column of … Continue reading
SQL Server- Output clause
Output Clause:- The SQL SERVER 2005 gives us an Output Clause which gives us the information about each row affected by the Insert, Update , Delete and Merge statement. It is more useful than @@scope_Identity and @@Identity column since these global variables gives us … Continue reading