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Ancestry database records information about family trees. Following information is recorded about each person:
FIRSTNAME first name
SURNAME surname
MNAME maiden name (if applicable)
DOB date of birth
BPLACE place of birth
DOD date of death (if applicable)
DPLACE place of death (if applicable)
SEX male/female
Spouse details:
Father details:
DOD date of death (if applicable) 3
DPLACE place of birth (if applicable)
Mother details:
Part B: Normal Forms
limitations and benefits in database tecknowlagy
Adding Redundant Associations for Efficient Access Redundant associations do not add any type of information, therefore during design we should actually examine structure of o
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
In tuple relational calculus P1 → P2 is equivalent to ? A In tuple relational calculus P1→ P2 is equivalent to ¬P1 V P2. (The logical implication expression A B, meaning
A database is to be constructed to remain track of the teams and games of a sport league. A team has a number of players, not all of whom participate in every game. It is desired
The Form input elements are: Reporter name text type input Password
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
Define What are the desirable properties of a decomposition Ans: What are the desirable properties of decomposition - dependency preserving. Because Lossless join and dependen
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