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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Eliminate Redundant Data In the "Database Relation" above, the primary key is made up of the D-ID and the Emp-ID. The database-name relies only on the D-ID. The similar databas
i would like to ask if you will do assignment of database number of words 1500 and how much
Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati
data models are being replaced over years. Reasons and why does that happen?
The functions of DBA ?
Attributes having a one value for a particular entity. For instance, Age is a single valued attribute of a student entity. Attributes that have more than single values
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
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