What does an inner join do?

0 Answers  

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What is the usage of NVL?

7 Answers   Infosys, Micro Infotek,

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What is auto increment feature in sql?

0 Answers  

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What are the different dml commands in sql?

0 Answers  

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Explain the working of foreign key?

0 Answers  

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What is nosql example?

0 Answers  

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What is a clob in sql?

0 Answers  

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In table three columns with 1 milion records(here there is no sequence values) i want add one more column with sequence values from the first how it is posible?

4 Answers   Tech Soft,

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Explain what is rdbms?

0 Answers  

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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 to drop an existing table in mysql? : Sql dba

0 Answers  

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there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

7 Answers   Cognizant,

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