What is a left join?
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How bulk collect improves performance?
What is the use of triggers?
What is Highwatermark?
What is the current version of postgresql?
Mention what is the plv (pl/vision) package offers?
What is rename command in sql?
How do you use collections in procedure to return the resultset?
How many null values can be inserted in a coulmn whihc is unique constraint
What is trigger in flip flop?
i have a table emp and columns ename,empno,mgr_id,i need ename,manager name as result i.e employee respective manager.. example empno ename mgr_id 1 john 3 2 paul 3 3 smith 1 4 kevin 1 5 stewart 2 result has to look like this ename manager john smith paul smith smith john kevin john stewart paul can u plz help me out in this.....
Can cursors be part of a trigger body?
How to convert lowercase letters to uppercase and uppercase letters to lowercase in a string. (ex, AbcdEfG should convert as aBCDeFg)
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