sql server management studio create view

VIEWView_stuinfo_stumarks/*Create a View*/ as SELECTName=Stuname, School Number=Stuinfo.stuno, written results=Writtenexam, machine test results=Labexam, average score=(Writtenexam+Labexam)/2 fromStuinfo Left JOINStumarks onStuinfo.stuno=Stumarks.stunoGOSELECT * fromView_stuinfo_stumarks/*Working with views*/The structure and data of a virtual table exported from one or more tables or

the constraint, then the after trigger does not execute because the check for the constraint occurs before the after trigger is agitated. So after triggers cannot go beyond constraints.The Instead of trigger can be executed in place of the action that fired it. It is executed when the inserted table and the deleted table have just been created and no other operations have occurred. Because the instead OF trigger executes before the constraint, it can perform some preprocessing on the constraint

constraint, it can pre-process the constraint. 　　5. Use T-SQL statements to create a trigger The basic statement is as follows: Create trigger trigger_name On {table_name | view_name} {For | After | Instead} [Insert, update, delete] As SQL _statement 　　6. delete a trigger: 　　The basic statement is as follows: Drop tri

, the After trigger does not execute because the check of the constraint occurs before the trigger is excited. So after triggers cannot transcend constraints. The Instead of trigger can be executed instead of the action that fires it. It has just been established in the inserted table and the deleted table, and any other operation that has not occurred is executed. Because the instead OF trigger executes before the constraint, it can perform some preprocessing of the constraint. V: using T-

. Because the instead OF trigger executes before the constraint, it can perform some preprocessing of the constraint. 　　V: using T-SQL statements to create triggers The basic statements are as follows: Create TRIGGER Trigger_name on {table_name | view_name} {for | After | Instead of} [Insert, Update,delete] As Sql_statement 　　VI: DELETE triggers: 　　The

know much about SQL, so it is difficult for them to create complex queries for multiple tables. You can create a view to allow you to access data in multiple tables. 2. Benefits for developers (1) It is easier to restrict Data Retrieval Developers sometimes need to hide information in certain rows or columns. By

the view, the ansi_nulls option must be set to on. A view cannot reference any other view. It can only reference a base table. All base tables referenced by a view must be in the same database as the view, and the owner must be the same as the

"-> "Custom Level"-> "automatically log on with the current user name and password" Step 5. Check whether the "keep HTTP Connection" check box is selected. If not, select. Step 6:. No application is created.Control Panel --> management tools --> Internet Information Service --> Find your project--> Attribute -- "virtual directory option. The following is an Check whether it is created or deleted. If it is created, click the button to delete it and

Unable to manage the unit created by MMC. After searching online, the solution is as follows: 1. [start] --> [run] Regedit press ENTER2. Find the following registry subkeys:HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft SQL Server \ 80 \ tools \ clientsetup3. Right-click the clientsetup registry subitem and choose [new] --> [string value].4. Rename the Registry subitem, c