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What is DML (Data Manipulation Language)?
This language that enable user to access or manipulate data as organised by appropriate data model.
Procedural DML or Low level: DML requires a user to state what data are required and how to get those data.
Non-Procedural DML or High level: DML needs a user to specify what data are required without specifying how to get those data.
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Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
what is difference between circular inked lust and grunded linked list
Define raid? Briefly explain it? A range of disk organization methods, collectively called redundant arrays of independent disks (RAID) o Improvement of reliability throug
non numeric literals
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what is attribute is attribute inheritance in dbms?
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