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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
domain
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
explain thee diffrent types of data models
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Briefly explain each of the following database terms. Use no more than 2-3 lines for each term. 1. DBMS 2. Update Anomaly 3. Alias (referring to tables in SQL queries)
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
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