What is left join in sql?
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What is the need of a partition key?
Difference between a query and strored procedure?
What is the trigger in sql?
Let us suppose we have a table with structure in order empno empname empdesig empcountry and now i want to re-organize the columns of this table to empno empdesig empname empcountry how can i do this with queries ? assume that table contains the data.
How does a covering index work?
what happens when the column is set to auto increment and you reach the maximum value for that table? : Sql dba
What is difference between group by and partition by?
Explain cursor types?
What are inner outer left and right joins in sql?
What are the different datatypes available in PL/SQL?
What is trigger in sql?
What operators deal with null?
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