Answer Posted / mathan r
It is a column that is not an actual column in the table.
eg USER, UID, SYSDATE, ROWNUM, ROWID, NULL, AND LEVEL.
rowid
versions_xid
versions_operation
versions_startscn
versions_endscn
sysdate
systimestamp
rownum
ora_rowscn
object_value
level
user
Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Which table keeps information about stored procedures?
Can a unique index be created on a column, which contains null?
How to modify an existing user defined function?
What is a database in ms sql server?
What is mean by candidate key?
Differentiate sql server reporting services vs. Crystal reports?
What is the language structure to add a record to a table?
What is the recovery model? List the types of recovery model available in sql server?
What happens if strings are casted into wrong code pages in ms sql server?
How do you create a data source?
What are the different types of sub-queries?
How do I perform an unattended install of sql server 2000?
what is the difference between delete table and truncate table commands? : Sql server database administration
What is difference between sql and sql server?
Your sql server is running out of disk space. You notice that there are several large files with ldf extensions what are these files?