Sunday, 19 July 2015

Change table column name in sql server 2008

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Alter Table Drop Column


  http://sqlserverplanet.com/ddl/alter-table-drop-column
Name: Email: Comment: Home Tuning Services Featured Articles How to cache stored procedure results using a hash key There are a lot of different design patterns that lend themselves to creating SQL Server Database Optimization Guide In the troubleshooting guide we went over the different physical bottlenecks that can Yet Another Temp Tables Vs Table Variables Article The debate whether to use temp tables or table variables is an old Using Union Instead of OR Sometimes slow queries can be rectified by changing the query around a bit. We obfuscate data as it is moved to another environment and rather than updating the data it was actually much quicker to drop the column and add it back along with a default value

SQL Drop Column - ALTER TABLE DROP COLUMN failed because one or more objects access this column


  http://www.experts-exchange.com/questions/28563848/SQL-Drop-Column-ALTER-TABLE-DROP-COLUMN-failed-because-one-or-more-objects-access-this-column.html
But one feature of Intel processors have hampered performance for years and this fact has been overlooked by a lot of people, but is now number one on my list. - 2014 EE Annual Survey EXPERT WHO ANSWERED Aneesh Aneesh has answered 7,116 questions on Experts Exchange and is an expert in MS SQL Server, MS SQL Server 2005 and Query Syntax

sql server 2008 - Quickly change NULL column to NOT NULL - Database Administrators Stack Exchange


  http://dba.stackexchange.com/questions/48872/quickly-change-null-column-to-not-null
One problem with this is that even if you know the column in fact has no NULLs the constraint is not trusted by the query optimiser which means that the plans can be sub optimal. Adding the constraint with NOCHECK means that no rows will need to be read to verify it, and if you are starting from a position where the column does not contain NULL values (and if you know none will be added between checking and adding the constraint) then, as the constraint prevents NULL values being created from future INSERT or UPDATE operations, this will work

  http://forums.sqlmag.com/forums/aft/80708
Question: how do I discern between "user-generated statistics" and "query optimizer generated statistics"? As a T-SQL "IF" statement would be ideal, because I want to make my alter table command conditional upon this

  http://dba.stackexchange.com/questions/40660/sql-server-replication-alter-table-alter-column-is-not-propagated-to-subscrib
The replication of schema changes is activated, and the replication has been running for years, including frequent schema changes (new column, new constraints, etc)

  http://www.codeproject.com/Questions/267871/alter-an-existing-table-in-sql-server-add-AUT
See more: SQL-Server Hi everybodyy,I have a table in sql server 2008 I need to alter it to add a AutoIncrement for already existing primary key field in this table.Please I need the script to execute this query.Can anybody help?thank you Posted 12-Oct-11 22:39pm nourbt478 Add a Solution 4 solutions Top Rated Most Recent Rate this: Please Sign up or sign in to vote

  http://blog.sqlauthority.com/2008/08/26/sql-server-how-to-rename-a-column-name-or-table-name/
Imagine we have the same case as explained above( 20 tables with same columns ), so we want to change the name of each tables to the same name which is in first row of Third column of each table. just post here because:- 1) it will be have more visibility and more quick chance to reply 2) I have configured this blog in my office mail so I will get it in my office mail box automatically whenever there is new item added

  http://blog.sqlauthority.com/2008/04/08/sql-server-change-order-of-column-in-database-tables/
First of all, If there is any application which depends on the order of column it is really not good programming and will create problem for sure in future. With the time passing, the developper must add a colum like Deathday, as the life is not eternal, to notify the death of our preferred singer Miachael Kackson for example

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