Explain what is a field in a database and record in a database?
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What is a schema? How is it useful in sql servers?
What is sql query optimization?
How is debugging done?
1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.
How do you define a foreign key?
When to use inner join and left join?
Is sql an operating system?
What is a variable in sql?
Is trigger a stored procedure?
What is embedded sql what are its advantages?
What is use of term?
What is a common use of group by in sql?
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