Describe a subquery.
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Which database is good for large data?
Explain dml (data manipulation language)?
How are exceptions handled in pl/sql? Give some of the internal exceptions name?
What is a foreign key constraint?
How many types of users in dbms?
What is in a database?
What is Restricted Mode of Instance Startup ?
Name the different data models that are available for database systems.
select Nth highest salary by using rownum
4 Answers Ford, TCS, Tech Mahindra,
What do you understand by data independence? What are its two types?
Is sql is a dbms?
What is a table called in database?
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