Update two tables in single query in sql server 2005

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Understanding When SQL Server statistics will automatically update

  http://www.sqlskills.com/blogs/erin/understanding-when-statistics-will-automatically-update/
To reiterate (yes, this might be overkill), SQL Server will automatically update a statistic when: A query compiles for the first time, and a statistic used in the plan is out of date A query has an existing query plan, but a statistic in the plan is out of date For those that attended my session at Summit, I hope this helps address any questions you might have still had. To be clear, if a query plan exists in cache and that plan uses specific statistics, when the query executes SQL Server checks to see if any of the statistics used in the plan are out of date

  http://scottonwriting.net/sowblog/archive/2010/07/13/howto-update-records-in-a-database-table-with-data-from-another-table-ms-sql-server.aspx
To ease data entry, let's say that administrative users can create "ticket templates," which pre-define the values for a number of ticket data points that are stored in a table named TicketTemplates. Applying a template to an existing ticket would require that the existing record in the Tickets table have its non-set data points assigned to the corresponding default values of the selected template

  http://blog.sqlauthority.com/2008/08/28/sql-server-2008-introduction-to-merge-statement-one-statement-for-insert-update-delete/
In previous versions of SQL Server, we had to write separate statements to INSERT, UPDATE, or DELETE data based on certain conditions, but now, using MERGE statement we can include the logic of such data modifications in one statement that even checks when the data is matched then just update it and when unmatched then insert it. StudentID 2 is deleted as it is more than 250, 25 marks have been added to all records that exists i.e StudentID 1,3 and the records that did not exists i.e

sql server - Delete rows from multiple tables using a single query (SQL Express 2005) with a WHERE condition - Stack Overflow

  http://stackoverflow.com/questions/1714545/delete-rows-from-multiple-tables-using-a-single-query-sql-express-2005-with-a
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

  http://blog.sqlauthority.com/2012/09/27/sql-server-not-possible-delete-from-multiple-table-update-multiple-table-in-single-statement/
SQL Server follows ANSI Entry SQL with regard to referential integrity between PrimaryKey and ForeignKey columns which requires the inserting, updating, and deleting of data in related tables to be restricted to values that preserve the integrity. In the response to my reply I was pointed out to my own blog post where user suggested that I had previously mentioned this is possible and with demo example

How to update two tables in one statement in SQL Server 2005? - Stack Overflow

  http://stackoverflow.com/questions/2044467/how-to-update-two-tables-in-one-statement-in-sql-server-2005
The columns cannot be derived in any other way, such as through the following: An aggregate function: AVG, COUNT, SUM, MIN, MAX, GROUPING, STDEV, STDEVP, VAR, and VARP. Columns that are formed by using the set operators UNION, UNION ALL, CROSSJOIN, EXCEPT, and INTERSECT amount to a computation and are also not updatable