Delete from table A if matching row exists in B
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Joining multiple tables together from the Course SQL Server 2008 Essential Training
Continue to classic layout Stay on new layout Mark video as unwatched Mark all as unwatched Exercise files Access exercise files from a button right under the course name. Select the second row in the lower section (it should say File Type: Log and Message: Not Found) and click the REMOVE button.For an illustrated version of these instructions (with screenshots), click here for a PDF version
Merge Statement in SQL Server 2008 - CodeProject
Happy programming!!! History 11th June, 2009: Initial post License This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Share email twitter facebook linkedin reddit google+ About the Author You may also be interested in... Facts about Merge Statement Here are a few facts that you must know before starting to use Merge Statement: Atomic statement combining INSERT, UPDATE and DELETE operations based on conditional logic Done as a set-based operation; more efficient than multiple separate operations MERGE is defined by ANSI SQL; you will find it in other database platforms as well Useful in both OLTP and Data Warehouse environments OLTP: merging recent information from external source DW: incremental updates of fact, slowly changing dimensions
Creating tables from the Course SQL Server 2008 Essential Training
Continue to classic layout Stay on new layout Mark video as unwatched Mark all as unwatched Exercise files Access exercise files from a button right under the course name. Select the second row in the lower section (it should say File Type: Log and Message: Not Found) and click the REMOVE button.For an illustrated version of these instructions (with screenshots), click here for a PDF version
SQLServerCentral.com
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Go to your table in Object Explorer Right click on table and select Edit Top 200 Rows - In your case number would be changed to what ever you set All record will be opened
sql server - Delete rows from multiple tables using a single query (SQL Express 2005) with a WHERE condition - Stack Overflow
Now when u delete a record from the master table all other details table record based on the deleting rows primary key value, will be deleted automatically
We extensively use GROUP BY and we all know problem with GROUP BY (We should have all selected column from select clause in group by clause, other wise we cannot use group by). The problem is: the system by mistake inserted duplicate data in R2-R5 (R1 is PK assuem autonumber) and in one of these duplicates R6 and R7 are also filled
However, the easiest and the most clean way is to use JOIN clause in the DELETE statement and use multiple tables in the DELETE statement and do the task. -- Check the content of the table SELECT * FROM Table1 SELECT * FROM Table2 GO As you can see that using JOIN clause in DELETE statement it makes it very easy to update data in one table from another table
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