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Consider the subsequent relations RENTER(rno, fname, lname, address, tel_no, pref_type, max_rent) VIEWING(rno, pno, date, comment) PROPERTY_FOR_RENT( pno, street, area ,city,
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Design an EER schema for the following application and translate the EER schema into relational schemas (and constraints). It is possible that some requirements cannot be captured
what is union compatable?
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Describe Hashing in DBMS? Hashing: Hashing is a technique to store data within an array so which storing, searching, inserting and deleting data is fast (in theory it's O(1))
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
case study
What is meant by buffer blocks and disk buffer The blocks residing temporarily in main memory are referred to as buffer blocks. The area of memory where blocks reside t
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