What SQL query from v$session can you run to show how many
sessions are logged in as a particular user account?
Answer / saraswathi muthuraman
SQL> select count(SID),USERNAME from v$session group by
USERNAME;
14
14 raghavan
2 P_21533
1 Saras
4 rows selected.
SQL>
| Is This Answer Correct ? | 2 Yes | 2 No |
What is the difference between hot backup and cold backup in oracle?
How can you use check constraints for self referential integrity?
Explain about integrity constraint?
What is ordinary table in oracle?
How to invoke the data pump import utility?
What privilege is needed for a user to query tables in another schema?
What view(s) do you use to associate a users SQLPLUS session with his o/s process?
What is merge statement used for?
What is the purpose of init.ora. ? how many init.ora exist in oracle installation? suppose there are 3 database on one oracle server, how many init.ora do I have? what are various database objects? how will you identify memmory related performace issue in oralce? any idea about basic architure difference of oracle and db2? comment on which is better , with reasons? what is a fuction based index? is it recommended to use the same. ? what is global temporay table? what is teh signification of the parameter session_cached_cursor ?
State some uses of redo log files?
Can select statements be used on views in oracle?
What are the types of synonyms?