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Content with tags Stairway Series, Transaction Logs Rss

   Items 1 to 11 of 11   
 

Stairway to Transaction Log Management in SQL Server, Level 1: Transaction Log Overview

The transaction log is used by SQL Server to maintain data consistency and integrity. If the database is not in Simple-recovery mode, it can also be used in an appropriate backup regime to restore the database to a point in time.  Read more...
By Tony Davis 2013/10/30 (first published: 2011/06/17) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 19,831 reads

Stairway to Transaction Log Management in SQL Server, Level 9: Monitoring the Transaction Log

Our major goal in terms of log maintenance for all databases under our care is to optimize for write performance, in order to support all activities that require SQL Server to write to the log, including data modifications, data loads, index rebuilds, and so on. However, it's also important to keep an eye on possible log fragmentation, which, as described previously, can affect the performance of processes that need to read the log, such as log backups and the crash recovery process.  Read more...
By Tony Davis 2013/04/24 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 5,419 reads

Stairway to Transaction Log Management in SQL Server Level, 8: Optimizing Log Throughput

This level takes a deeper look at how log fragmentation can affect the performance of operations that need to read the log, such as log backups, or the crash recovery process.  Read more...
By Gail Shaw, Tony Davis 2013/04/17 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 5,179 reads

SQL Server Transaction Log Management by Tony Davis and Gail Shaw

When a SQL Server database is operating smoothly and performing well, there is no need to be particularly aware of the transaction log, beyond ensuring that every database has an appropriate backup regime and restore plan in place. When things go wrong, however, a DBA's reputation depends on a deeper understanding of the transaction log, both what it does, and how it works. An effective response to a crisis requires rapid decisions based on understanding its role in ensuring data integrity.  Read more...
By Gail Shaw, Tony Davis 2012/11/12 | Source: SQLServerCentral.com | Category: books
Rating: |  Discuss |   Briefcase | 2,976 reads

Stairway to Transaction Log Management in SQL Server, Level 6: Managing the Log in BULK_LOGGED Recovery Model

A DBA may consider switching a database to the BULK_LOGGED recovery model in the short term during, for example, bulk load operations. When a database is operating in the BULK_LOGGED model these, and a few other operations such as index rebuilds, can be minimally logged and will therefore use much less space in the log  Read more...
By Gail Shaw, Tony Davis 2012/11/07 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 4,093 reads

Stairway to Transaction Log Management in SQL Server, Level 5: Managing the Log in Full Recovery Mode

In FULL recovery mode it is possible to do a point-in-time restore of a database. It is thankfully a rare event. Tony explains what's involved  Read more...
By Tony Davis 2012/01/27 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,334 reads

Stairway to Transaction Log Management in SQL Server, Level 4: Managing the Log in Simple Recovery Mode

Tony describes in more detail the SIMPLE recovery model, and the way it works, its advantages and disadvantages.  Read more...
By Tony Davis 2011/11/18 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 6,322 reads

Stairway to Transaction Log Management in SQL Server, Level 3: Transaction Logs, Backup and Recovery

This article discusses the different types of backup and recovery models and gives the essential facts that will guide you to being able to achieve a recovery of a database to a point in time.  Read more...
By Tony Davis 2011/09/07 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 7,775 reads

Stairway to Transaction Log Management in SQL Server, Level 2: A Brief Overview of Transaction Log Architecture

In order to make it easier to understand truncation, space reuse and fragmentation in the log file, Tony gives a brief explanation of how the transaction log works.  Read more...
By Tony Davis 2011/08/17 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 11,711 reads

Stairway to Transaction Log Management in SQL Server, Level 1: Transaction Log Overview

The transaction log is used by SQL Server to maintain data consistency and integrity. If the database is not in Simple-recovery mode, it can also be used in an appropriate backup regime to restore the database to a point in time.  Read more...
By Tony Davis 2013/10/30 (first published: 2011/06/17) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 19,831 reads

Stairway to Transaction Log Management in SQL Server

When things are going well, there is no need to be particularly conscious of what the Transaction log does or how it works. You just need to be confident that every database has the correct backup regime in place. When things go wrong, an understanding of the transaction log is important for taking corrective action, particularly when a point-in-time restore of a database is required, urgently! Tony Davis gives just the right level of detail that every DBA should know.  Read more...
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administration (1)    
books (1)    
bulk logged (1)    
log throughput (1)    
monitoring (1)    
optimization (1)