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Define the terms i) DDL ii) DML DDL: Data base schema is specified by a set of definitions expressed by a special language known as a data def
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What are the drawbacks of File Oriented System in details?
Given the following relations Vehicle (Reg_no, make, colour) Person(eno, name, address) Owner(eno, reg_no) Write expressions in the relational algebra to answer the following
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
How does Tuple-oriented relational calculus vary from domain-oriented relational calculus? The tuple-oriented calculus uses a tuple variables i.e., variable whose only allowed
what is entity in database system?
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. A long-standing international treaty am
Question : Object-Oriented Database (OODM) is defined as a logical data model that captures the semantics of objects supported in object-oriented programming. An Object-Oriente
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
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