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Database: What is a local table?

Posted By :shankey     Posted Date :July 31, 2011    Points :40   Category :Sql Server 
A local table exist only for the duration of connection.

You can also find related Interview Question to Database: What is a local table?  below: 

how to find the table name in sql server database?

select * from INFORMATION_SCHEMA.tables where table_name like 'tblname%' (More...)

Database: How many primary key constraints can be created for one table?

Only one primary key constraints can be created for one table. (More...)

Define a temp table. What's the difference between a local temp table and a global temp table?

In a nutshell, a temp table is a temporary storage structure. What does that mean? Basically, you can use a temp table to store data temporarily so you can manipulate and change it before it reaches its destination format.
Local tables are accessible to a current user connected to the server. These tables disappear once the user has disconnected from the server. Global temp tables, on the other hand, are available to all users regardless of the connection. These tables stay active until all the global connections are closed. (More...)

Database Concurrency in Sql Server.

When two or more user try to update same type of data in a table then Database Concurrency helps in this situation.

There are 2 types of Database Concurrency

Pessimistic: When one user try to change the data with pessimistic concurrency then a lock is placed on the data in a table so that another user cannot change data. when one user finishes then other user can able to change.

Optimistic: When two user works on the same data in a table and one change that data first then second user cannot change that same data becasue the which he have using is allready changed so he cannot do the change becasue change apply to another data that is changed by first user. (More...)

What are the privileges that can be granted on a table by a user to others?

Insert, update, delete, select, references, index, execute, alter, all (More...)

What command is used to create a table by copying the structure of another table?


Explanation :

To copy only the structure, the WHERE clause of the SELECT command should contain a FALSE statement as in the following.
If the WHERE condition is true, then all the rows or rows satisfying the condition will be copied to the new table. (More...)

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