⟩ What is SQL ROWID?
ROWID is a pseudo column attached to each row of a table. It is 18 characters long, blockno, rownumber are the components of ROWID.
ROWID is a pseudo column attached to each row of a table. It is 18 characters long, blockno, rownumber are the components of ROWID.
You are joining a local and a remote table, the network manager complains about the traffic involved, how can you reduce the network traffic?
You want to determine the location of identical rows in a table before attempting to place a unique index on the table, how can this be done?
How do you prevent Oracle from giving you informational messages during and after a SQL statement execution?
How do you prevent output from coming to the screen?
How do you generate file output from SQL?
How do you set the number of lines on a page of output? The width?
Tell me what is SQL Server VSS Writer?
Please explain why would you call Update Statistics?
How to start SQL Server in different modes?
Tell me why would you use SQL Agent?