If we have n no of columns in a table, can we add new column in that table with not null constraint?

2 Answers  

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What are the different operators available in sql?

0 Answers  

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what is single byte over head in oracle..?

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How do you retrieve set of records from database server. {Set max records = 100 & use paging where pager page no or records = 10 & after displaying 100 records again connect to database retrieve next 100 }

2 Answers   DELL,

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Explain unique key in sql.

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what are the join types in tsql? : Transact sql

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What is a Procedure ?

3 Answers  

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Explain lock escalation? : Transact sql

0 Answers  

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How can i insert data inro a table with 3 columns using FORALL?

2 Answers   Oracle,

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What is before and after trigger?

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The select into statement is most often used to create backup copies of tables or for archiving records?

0 Answers  

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What is a cursor for loop ?

4 Answers  

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