What is a composite primary key?
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Define overloaded procedure?
Why do we use function in pl sql?
what is data control language? : Sql dba
Which table is left in left join?
Are subqueries faster than joins?
write a query filter the null value data following source? name age john 30 smith null null 24 sharp 35 i want output name age john 30 sharp 35
SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/
how to return query output in html format? : Sql dba
Types of joins ?
What is difference between CHAR and VARCHAR2?What is the maximum SIZE allowed for each type?
What are sql constraints?
What are the basic techniques of indexing?
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