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Surgeons identified by doctor ID (DOCID) operate on patients identified by patient ID (PATID) in operating theaters identified by room numbers (ROOMNO). Each surgeon can operate on
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
What are the functions of an accumulator? The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It hol
In which format database schema is written ? Data base schema is written in the DDL format.
how does Btree differ from a B+ - tree?
What is Relational calculus? Relational calculus is a Non- Procedural language.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Explain the conventions for displaying an ER schema as an ER diagram? An E-R Diagram scheme might describe certain constraints to that the contents of a database must conform.
Can we delete data element, which is being used by table fields. No we cant delete data element.
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