Latest Answer : Following this as an example let us see how the select execution happens in
database.
SELECT ename,sal,job FROM emp
WHERE job='clerk'
ORDER BY sal;
How does the query execution occur?
SQL*plus checks the syntax on client side.
If syntax ...
Latest Answer : First you have to understand that Oracle is a MVCC (multiversion concurrency control) or "repeatable read" database system. Queries are returned with all rown consistent with respect to the point in time (SCN) you bagan the query (or earlier with "flashback ...
Latest Answer : 8i-materilized views, instead of triggers, support internet, granting of columns
9i-timestamp, rename of column, new datatypes, rank, dense_rank, 9i joins ...
When i type 'ed' or 'edit' in oracle i did n't presented by any editor,what is the problem?
In oracle we are using dual table name for the temporary purpose. which table we are using in SQL server
Latest Answer : V$backup : This status column of this view shows whether a tablespace in hot backup mode.The status 'ACTIVE' shows the datafile to be in backup mode.V$datafile_header : The fuzzy column also helps a dba to monitor datafile which are in backup mode. ...
Latest Answer : hello dual is a table which is created by oracle along with the data dictionary. It consists of exactly one column whose name is dummy and one record. The value of that record is X. sql> desc dualName Null? ...
Latest Answer : select from where mod(,2)0 ...
1. Queris for Nth maximum Nth row?2. In One table there are 5 fields. empno, ename, deptcd, managr_id, salary.Select the departments whoose sum of the salary greater than the sum of salaries of any department?3. When index will be usd in the Query?
Latest Answer : When you try to execute procedure from procedure just write procedure name. If you are executing from SQL*Plus them write EXEC Thanks, Shailu ...
