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Candidate Key: In a relation R, a candidate key for R is a subset of the set of attributes of R, which have the differnt two properties: (1) Uniqueness: N
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
create an er diagram for production management in film industry
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
what are the states of transaction?
what is Lossless-join decomposition
i want to database for online assignment submission system
Explain DML with some examples? DML - Data Manipulation Language: statements used for managing data within schema objects. Some examples: • SELECT - retrieve data from the a da
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
For this application, we will consider IBM DB2 catalog data (i.e., metadata) for IBM's enterprise-class servers running the z/OS (formerly OS/390 or MVS) operating system. One of
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