Virtual column or Pseudo Columns like rowid,rownum,sysdate,nextval,currval

What are virtual columns?

Question Posted / shanmugavelu

Answer Posted / shanmugavelu

Virtual column or Pseudo Columns like
rowid,rownum,sysdate,nextval,currval,uid,user

Is This Answer Correct ?

9 Yes

0 No

Please Help Members By Posting Answers For Below Questions

How is it different from a normal table?

1080

How do I limit the number of rows returned by an oracle query after ordering?

1221

How does one get the view definition of fixed views/tables?

1069

How to view the tablespaces in the current database?

1022

Explain the characteristics of oracle dba?

1173

How to change system global area (sga) in oracle?

1062

How can we find out the current date and time in oracle?

1129

Explain what are the different type of segments?

1003

Explain oracle 12c new features for developers?

1121

What do you know about normalization? Explain in detail?

996

How do I find the database name in oracle?

1086

What are the differences between lov and list item?

1138

What do you mean by a database transaction & what all tcl statements are available in oracle?

1036

Whats the benefit of dbms_stats over analyze?

2064

How to concatenate two text values in oracle?

1151