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Advanced Lock Monitoring
Total Hit (2811) In order to assist continuous and effective monitoring of lock status, SQL Server offers the system stored procedure SP_LOCK, which can provide several useful pieces of information on how locks are set and removed. However, using this information - such as process ID, database ID, and object ID - ....Read More
Easiest way to put multiple distributed statements in a transaction which may span on multiple servers using dynamic query
Total Hit (2406)
SQL Server Lock ( NOLOCK and ROWLOCK )
Total Hit (11629) Relational databases, like Microsoft's SQL Server, use locks to prevent multiple users from making conflicting modifications to a set of data. When a set of data is locked by a user, no other users can modify that same set of data until the first user finishes modifying the data and relinquishes the ....Read More
How to implement simple transaction in SQL Server
Total Hit (2061) Transactions group a set of tasks into a single execution unit. Each transaction begins with a specific task and ends when all the tasks in the group successfully complete. If any of the tasks fails, the transaction fails. Therefore, a transaction has only two results: success or failure. Incomplete ....Read More
How to implement nested transactions
Total Hit (3977) SQL Server allows you to nest transactions. Basically, this feature means that a new transaction can start even though the previous one is not complete. Transact-SQL allows you to nest transaction operations by issuing nested BEGIN TRAN commands. The @@TRANCOUNT automatic variable can be queried to ....Read More
How to do error handling in transaction.
Total Hit (2123) The examples presented here are specific to stored procedures as they are the desired method of interacting with a database. When an error is encountered within a stored procedure, the best you can do is halt the sequential processing of the code and either branch to another code segment in the proc ....Read More
SAVE TRAN and Save Points.
Total Hit (2455) Savepoints offer a mechanism to roll back portions of transactions. A user can set a savepoint, or marker, within a transaction. The savepoint defines a location to which a transaction can return if part of the transaction is conditionally canceled. SQL Server allows you to use savepoints via the SA ....Read More
How to Use Batch Size to Speed Mass Updates, Inserts and Deletes reducing locks require for operation.
Total Hit (2450) It is often necessary to perform mass updates, inserts, or deletes on a table or tables. If the action involves thousands to millions of rows, performance can bog down and the transaction log can grow very large, consuming much available disk space. In fact, updating millions of rows in one query ma ....Read More
This is a link to a different site Using Lock Escalation to Improve Update Query Performance
Total Hit (1847) Lock escalation is the process of converting many fine-grain locks into fewer coarse-grain locks, reducing system overhead.
This is a link to a different site Understanding SQL Server 2000 Locking
Total Hit (1729) In this article, I want to tell you about SQL Server 2000 lock modes.
This is a link to a different site Locking in SQL Server 7.0
Total Hit (1763) In this article, I want to tell you about general details of SQL Server 7.0 locking, about Transaction Isolation Levels, what kind of Transaction Isolation Level exists, and how you can set the appropriate Transaction Isolation Level, about Lock types and Locking optimizer hints, about Lock Escalati ....Read More
This is a link to a different site Resolving blocking problems that are caused by lock escalation in SQL Server
Total Hit (1915) Lock escalation is the process of converting many fine-grained locks (such as row or page locks) into table locks. Microsoft SQL Server dynamically determines when to perform lock escalation. When making this decision, SQL Server takes into account the number of locks that are held on a particular s ....Read More
This is a link to a different site Locking, Blocking, and Deadlocks in SQL Server 2000: Part I
Total Hit (1179) This article will cover SQL Server locking in detail. It will also cover how locking can be prevented.
This is a link to a different site How can I eliminate or reduce locking?
Total Hit (1664) Here are some resources that provide help with blocking issues in SQL Server.

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