What is difference between group by and partition by?
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Why does sql need a server?
Which data type doesn't allow null data type?
Which is better join or subquery?
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)
write a qurey for finding the length of the sting.
what are the nonstandard string types? : Sql dba
What is not null in sql?
How do I run a pl sql program?
Enlist the data types that can be used in pl/sql?
What does closing a cursor do?
Explain UNION,MINUS,UNION ALL, INTERSECT?
Does a user_objects view have an entry for a trigger?
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