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How to get basic SQL Server table structure information

Posted By :volvo     Posted Date :November 23, 2013    Points :40   Category :Sql Server 
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.

You can also find related Interview Question to How to get basic SQL Server table structure information  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 system table holds the details of all the processes running on the Microsoft sql server?

  
The name of the system table is sysprocesses .

Select * from sysprocesses


Make sure you run this query in master database. (More...)

More than one IDENTITY column per table can be exist in SQL Server . (True /False)

  
False.
There can only be one IDENTITY column per table in SQL Server.
Its auto Incremented Column defined by the user. (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...)

What Is Cascade And Restrict When We Use DROP Table In SQL SERVER ?

  
When we are using Drop table in SQL the syntax is simple.
Drop table table_name(CASCADE / RESTRICT)
We use cascade to drop table although it have some dependencies just like triggers,stroeprocrdure,primarykey,foreignkey it will delete first.
But if we use restrict a error message is shown on using of DROP if the table have relation Trigger,storeprocedure. (More...)

how to find the table name in sql server database?

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

how to find column name from sql server table?

  
select * from INFORMATION_SCHEMA.Columns where column_name like 'colname%' (More...)

How do we get primary key information in oracle table?

  
we can get primary key information with the following SQL statement

SELECT b.table_name, b.column_name, b.position, a.status, cons.owner
FROM all_constraints a, all_cons_columns b
WHERE cons.constraint_type = 'P'
AND a.constraint_name = b.constraint_name
AND a.owner = b.owner
ORDER BY b.table_name, b.position;
(More...)

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