What is the need of merge statement?
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Which operator is used in query for pattern matching?
I want to create synonym for table emp but in my pc it is giving insufficient previliges.I am using user scott.Please suggest me.
take one table is t1 and in that column name is f1 f1 column values are 200 5000 3000 7000 300 600 100 400 800 400 i want display the values asc and desc in a single output. sample output is f1.a 100 200 300 400 500 600 etc...... and f1.d is 5000 4000 3000 2000 1000 etc...
why not null constraint showing its constraint type as 'c'
when normalization is required
- Types of triggers - View - Dcl - Procedures, packages, functions - Metasolve - Can use Dcl in triggers - package case study - Cursor and its types - triggers schedule - Wrap - Why we are using fetch and for in cursor. difference?
I have one table and column is c1 pk, c2 not null,c3 not null and 200 row in it and i add c4 column and value, how can is possible
what is inline view?
How do I run a program in pl sql?
What is the difference between RDBMS and DBMS?
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diff b/w function and procedure?
Define join and name different types of joins?