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Mention the several levels in security measures.
A) Database system
B) Operating system
C) Network
D) Physical Human
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
what is meant semantic query optimization? how does it differ from other query optimization techniques?
what are the type of the database
WOUND-WAIT
What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
Update Anomaly : This anomaly is occurred due to data redundancy. Redundant information makes updates more complex since, for example, varying the name of the instructor of MCS-014
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
A database has been designed for this beauty parlour in order for the staff to manage specific things such as bookings made by clients, payments, staff availability, level of exper
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