What is java sql connection?
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what is a primary key? : Sql dba
3. Select sum(a) sum_1,max(a) max_1 ,count(a) count_1 from ( ( select 1 a from dual union all Select to_number(‘2011’) a from dual union all select 1 a from dual) union select 2 b from dual);
what is the difference between implicit conversions and explicit conversions?
We have a CURSOR then we need BULK COLLECT?
How do you update a sql procedure?
who introduced sql?
What is example of database?
Is it possible to access the current value in a session before accessing next value?
What is the difference between partition and index?
What is having clause in sql?
When the mutating error will comes? and how it will be resolved?
What is sql and its types?
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