in table there r so many rows write a query which two rows r updated last two day befor?

3 Answers   Exilant,

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Is sql a scripting language?

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What is nvl?

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if i perform any operation on views such as insert, delete etc will my base table get affected?????

4 Answers  

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Enlist the characteristics of pl/sql?

0 Answers  

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Why do we need pl sql?

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Define the select into statement.

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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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What do you mean by table in sql?

0 Answers  

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When we can declare a column as Unique and Not Null both at the same time. What is the use pf Primary Key then?

2 Answers   Accenture, Unisoft Infotech,

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How can I make sql query run faster?

0 Answers  

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what is global variable in pl/sql

1 Answers  

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