How to get each name only once from an employee table?
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When to use inner join and left join?
How do we use distinct statement? What is its use?
Is t sql a programming language?
What does the argument [or replace] do?
wt is the diff b/w greast and max ,least and min? wt is the diff b/w case and decod?
4 Answers Oracle, TCS, Tecnics,
What is rownum?
if we give update table_name set column_name= default. what will happen? its given in pl sql block.what will hapen?
Is left join inner or outer by default?
What does where 1/2 mean in sql?
Can i use Commit inside the Trigger? Suppose i use commit what will be happy (it's complied /executed/work)
Explain the significance of the & and && operators in pl sql.
What are the two types of periodical indexes?
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