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Home >> Interview Question >> ASP.Net >> Post New Question Subscribe to Interview Questions

How to take the structure from a table?

Posted By :Nagaraju     Posted Date :June 13, 2011    Points :40   Category :ASP.Net 
Using Clone()
Copy will copy the data and Structure of the table
Cole will copy the Structure of the table

You can also find related Interview Question to How to take the structure from a table?  below: 

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

  
CREATE TABLE .. AS SELECT command

Explanation :

To copy only the structure, the WHERE clause of the SELECT command should contain a FALSE statement as in the following.
CREATE TABLE NEWTABLE AS SELECT * FROM EXISTINGTABLE WHERE 1=2;
If the WHERE condition is true, then all the rows or rows satisfying the condition will be copied to the new table. (More...)

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

  
CREATE TABLE .. AS SELECT command
Example:-
CREATE TABLE AS SELECT*FROM WHERE 1=2; (More...)

State whether BCP also copies table structure?

  
No, It only copies data of the source table to destination. (More...)

How to get basic SQL Server table structure information

  
sp_help will give you a whole bunch of information about a table including the columns, keys and constraints.

For example

exec sp_help 'Employee'

will give you information about table Employee. (More...)

What is data structure?

  
A data structure is a way of organizing data that considers not only the items stored, but also their relationship to each other. Advance knowledge about the relationship between data items allows designing of efficient algorithms for the manipulation of data. (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...)

How is the data structure of System R different from the relational structure?

  
Unlike Relational systems in System R
1.Domains are not supported
2.Enforcement of candidate key uniqueness is optional
3.Enforcement of entity integrity is optional
4.Referential integrity is not enforced (More...)

How to get a row was inserted most recently in a table?

  
select top 1 * from tablename order by ColumnName desc (More...)

How To Update Description Value for a Column in Table using SQL Command?

  
We can Update Description to Column using sp_updateextendedproperty System Store Procedure.
Sample Command to Update Description for Column in a Table:

EXEC sys.sp_updateextendedproperty @name=N'MS_Description', @value=N'My Description for Column Here' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MyTableName', @level2type=N'COLUMN',@level2name=N'ColumnName' (More...)

How To Delete Description Value for a Column in Table using SQL Command?

  
We can Delete Description from Column using sp_dropextendedproperty System Store Procedure.
Sample Command to Delete Description from Column in a Table:

EXEC sys.sp_dropextendedproperty @name=N'MS_Description', @value=N'My Description for Column Here' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MyTableName', @level2type=N'COLUMN',@level2name=N'ColumnName' (More...)

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