What's the difference between a primary key and a clustered index?
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Are left and right joins the same?
Explain the difference between 'between' & 'and' operators in sql
Which one of the following pairs of aggregate functions do you use with character fields? 1. COUNT(field) and MAX(field) 2. AVG(field) and COUNT(field) 3. MIN(field) and SUM(field) 4. AVG(field) and MAX(field) 5. COUNT(field) and SUM(field)
What are the different schemas objects that can be created using pl/sql?
What is foreign key and example?
Does varchar need length?
Which is better varchar or nvarchar?
what is online transaction processing (oltp)? : Sql dba
how to enter characters as hex numbers? : Sql dba
What is normalization? dec 2009
what is meant by forward declaration in functions?
What is java sql drivermanager?