What are pl sql procedures?
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Delete the emps whose salaries are lowest sals of their own dept.
What are all the common sql functions?
What is a database trigger?
What is the use of & in pl sql?
In a distributed database system, can we execute two queries simultaneously?
what is Hash join?how it is different from inner join?what is the sign used for inner join?(eg: like the (+) sign used for outer join)?
What is normalization sql?
How can multiply values of a column? OR How can multiply value of a row of a column using a single query in SQL?
i need department wise top 2 employees salary.which logic i will use
How do I kill a query in postgresql?
What are all the different types of indexes?
Explain select statements in sql?
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