What is difference between mysql and postgresql?
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How do I edit a stored procedure?
A table was given with 3 columns like Manager id,Manager Name and Employee name. Question was to create hierarchy.
How many row comparison operators are used while working with a subquery?
who introduced sql?
Which are the different types of indexes in sql?
What normalization means?
Suppose a student column has two columns, name and marks. How to get name and marks of the top three students.
how will u find statistics of a database objects?
Can a table have no primary key?
Explian rowid, rownum? What are the psoducolumns we have?
Can we declare a column having number data type and its scale is larger than pricesionex: column_name number(10,100),column_name numbaer(10,-84)
Is left join faster than join?
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