What is join view in sql?
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Can we use out parameter in function?
In table a 1lakh data is present,in table b 20 thousand data is present, to get unique data from table a and b which join to be considered. whether right outer join or left inner join.
What will be the output for the below Query Select 'High' from dual where null = null;
write sub query for eliminating duplicate rows using analytical function?
need to split a string into separate values. eg. col1 col2 ---------- 100 - 'a,b,c' 200 - 'a,x,d,e' 300 - 'c' result: value count ------------- a - 2 b - 1 c - 2 etc.
When we can declare a column as Unique and Not Null both at the same time. What is the use pf Primary Key then?
2 Answers Accenture, Unisoft Infotech,
what are the advantages and disadvantages of views in a database? : Sql dba
What is the maximum database size for sql express?
what is the difference between cursor FETCH and FOR LOOP ?
3 Answers CG-VAK, Tech Mahindra,
what is the difference between stored procedure and packaged procedure
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
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