Why is theta join required?
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what eliminate duplicate without using roenum and not
Does mysql_real_escape_string prevent sql injection?
how to give permission to users that users can update/insert/delete on a row of table on timeing 10am to 6pm only?
How will you a activate/deactivate integrity constraints?
Write a sql query to get the third highest salary of an employee from employee_table?
Will truncate release space?
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)
Explain the update statement in sql
What is a CTE (Common Table Expression), and how is it different from a subquery?
Can you have a foreign key without a primary key?
How many commands are in sql?
What is a common use of group by in sql?
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