What does (+) mean in sql joins?

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What are all the ddl commands?

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What happens when a trigger is associated to a view?

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What is an index? What are the types of indexes? How many clustered indexes can be created on a table?

0 Answers  

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what command is used to create a table by copying the structure of another table including constraints ?

6 Answers   CMC, eicc,

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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.....

8 Answers  

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Types of joins ?

3 Answers   Digital GlobalSoft, HeadStrong,

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What is an exception in PL/SQL? What are the two types of exceptions?

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How can you fetch first 5 characters of the string?

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1. how to use the check option constraints in sql query..? 2.how to add data in a complex query ? 3.is it possible to use commit or rollback or savepoint in triggers...if not why please explain with examples...? 4.what is the difference between meterialized view and normal view..how to create materialized view and how to use it..? 5.what is varray...? what is the advantage of the varray ? please expalin with a simpel example..i want to load into a table (student no and name and his marks..) please give example.. 6.what are the bulk bind exceptions...how to use bulk bind and how to use bulk collect..please explain with example... 7.what is for update of and where current of ...? 8 what is the use of nowait ? 9.please give an example for nocopy in a simple plsql query 10.create an index in a table...tellme how to use the index in a where clause to do performance tunning...

3 Answers   Satyam,

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how many tupples can insert in 1 second in sql

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Which constraints we can use while creating database in sql?

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