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external view of DBMS in healthcare department?
what are the purposes of dbms in details
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
is Chipo carrying his baby
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by
write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
What is the use of rename operation? Rename operation is used to rename both relations and an attributes. It uses the as clause, taking the form: Old-name as new-name.
#floating point representation is used to store
Explain Relational model and their use in DBMS? Relational Model - The relational model was first introduced through E.F. Codd of the IBM Research in the year of 1970. The mode
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