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Content with tag MERGE Rss

   Items 1 to 20 of 32    Older >>
 

Merge Targets

By Steve Jones 2014/09/09 | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 1,944 reads

Stairway to T-SQL DML Level 12: Using the MERGE Statement

The final level of this stairway looks at the MERGE statement in detail, focusing on how to perform insert, update and delete logic using the MERGE statement.  Read more...
By Gregory Larsen 2014/08/20 (first published: 2013/01/16) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 17,064 reads

Create MERGE statements with data!

A script to create MERGE statements with data for specific tables.  Read more...
By Jason Selburg 2014/07/16 | Source: SQLServerCentral.com | Category: merge
Rating: |  Discuss |   Briefcase | 3,229 reads

Cursor-Killing: Retrieving Recently Modified Data

Cursors are considered by many to be the bane of good T-SQL. What are the best ways to avoid iterative T-SQL and to write queries that look and perform beautifully? In the next part of an ongoing series, we look at ways to efficiently retrieve recently modified data.  Read more...
By Edward Pollack 2014/06/02 | Source: SQLServerCentral.com | Category: cursor
Rating: |  Discuss |   Briefcase | 6,287 reads

Duplicate Detection and Management

Inevitably, every DBA is eventually asked to delete, merge, or otherwise report on duplicate data. There are many tools at our disposal to make this task both simple and efficient to complete. Read on for simple steps and examples to effectively deal with duplicate data.  Read more...
By Edward Pollack 2014/04/29 | Source: SQLServerCentral.com | Category: duplicate
Rating: |  Discuss |   Briefcase | 6,339 reads

Template - Type 6 SCD Stored Procedure

Template to create a Type 6 slowly changing dimension stored procedure  Read more...
By Marie Bayer 2014/03/05 | Source: SQLServerCentral.com | Category: template
Rating: |  Discuss |   Briefcase | 1,259 reads

Generate MERGE statements with Table data

A stored procedure that produces a MERGE statement for a given table containing a VALUES clause for all rows, useful for migrating static data between environments.  Read more...
By Daniel Nolan 2014/01/07 | Source: SQLServerCentral.com | Category: generate
Rating: |  Discuss |   Briefcase | 4,527 reads

Performance of the SQL MERGE vs. INSERT/UPDATE

The SQL MERGE statement offers convenience, safety and elegance, but how does it perform compared to other methods?  Read more...
By Dwain Camps 2013/10/28 | Source: SQLServerCentral.com | Category: merge
Rating: |  Discuss |   Briefcase | 16,601 reads

Implementing, loading and optimizing a Type 2 Slowly Changing Fact Table

This article shows how to implement a Slowly Changing Facts Table, how to overcome the problems encountered when using the MERGE statement to process the data and suggest a minimal set of indexes to aid data loading and quering.   Read more...
Rating: |  Discuss |   Briefcase | 5,474 reads

Managing Slowly Changing Dimension with MERGE Statement in SQL Server

Slowly Changing Dimension (SCD) Transformation is a quick and easy way to manage smaller slowly changing dimensions but it has several limitations and does not perform well when the number of rows or columns gets larger. Arshad Ali explores some of the alternatives you can use for managing larger slowly changing dimensions.  Read more...
Rating: (not yet rated)  Rate this |   Briefcase | 3,234 reads

A Hazard of Using the SQL Merge Statement

The SQL MERGE statement can make your DML querying more efficient but you need to take care or you may get burned  Read more...
By Dwain Camps 2013/04/03 | Source: SQLServerCentral.com | Category: merge
Rating: |  Discuss |   Briefcase | 13,931 reads

Using the SQL Server MERGE Statement to Process Type 2 Slowly Changing Dimensions

The MERGE statement is powerful and multifunctional, yet it can be hard to master. SOmetimes the MERGE statement that just doesn't do what it's needed to do, like process a Type 2 slowly-changing dimension. Check out this tip to learn more.  Read more...
By Additional Articles 2013/03/08 | Source: MSSQLTips.com | Category: merge
Rating:  Rate this |   Briefcase | 3,161 reads

Merge

By Ole Kristian Velstadbråten Bangås 2013/02/14 | Category: merge
Rating: (not yet rated) |  Discuss |   Briefcase | 2,020 reads

If you are using indexed views and MERGE, please read this!

Here is some information about an important MERGE “wrong results” bug, involving indexed views, that could be affecting the accuracy of your queries right now, and what options you have for working around the problem.  Read more...
By Aaron Bertrand 2013/02/14 | Source: SQLPerformance.com | Category: indexed views
Rating:  Rate this |   Briefcase | 4,043 reads

Stairway to T-SQL DML Level 12: Using the MERGE Statement

The final level of this stairway looks at the MERGE statement in detail, focusing on how to perform insert, update and delete logic using the MERGE statement.  Read more...
By Gregory Larsen 2014/08/20 (first published: 2013/01/16) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 17,064 reads

Merge, Metadata and the Data Mart ETL

Here's a great method for managing ETL for data marts and small data warehouses with just T-SQL.  Read more...
By Christopher Ross 2012/12/27 | Source: SQLServerCentral.com | Category: etl
Rating: |  Discuss |   Briefcase | 4,510 reads

Generate MERGE statements with Table data

A stored procedure that produces a MERGE statement for a given table containing a VALUES clause for all rows, useful for migrating static data between environments.  Read more...
By Daniel Nolan 2014/01/07 | Source: SQLServerCentral.com | Category: generate
Rating: |  Discuss |   Briefcase | 4,527 reads

MERGE Statement Generator

Generates the merge statement for a given table.  Read more...
By Mitch Spruill 2012/06/20 | Source: SQLServerCentral.com | Category: merge
Rating: |  Discuss |   Briefcase | 2,418 reads

Generate MERGE statements with Table data

A stored procedure that produces a MERGE statement for a given table containing a VALUES clause for all rows, useful for migrating static data between environments.  Read more...
By Daniel Nolan 2014/01/07 | Source: SQLServerCentral.com | Category: generate
Rating: |  Discuss |   Briefcase | 4,527 reads

MERGE with OUTPUT clause

A few days back I was presented with a theoretical challenge, and now I thought I would share my solution...  Read more...
By 2012/02/29 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated) |  Discuss |   Briefcase | 5,111 reads
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