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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
Differentiate between natural join and outer join? Natural join is a binary operator which is written as (R * S) where as R and S are relations. The output of the natural join
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What are the various properties of Relational tables? Relational tables have 6 properties: 1. Each row is unique. 2. Column values are of the same kind. 3. Values are
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Define What are the desirable properties of a decomposition Ans: What are the desirable properties of decomposition - dependency preserving. Because Lossless join and dependen
While sorting field groups we cannot use more than one key field False.
How can you terminate the MySQL Server? Typing the following in Command prompt will shut down the server completely as root user % mysqladmin -u root -p shutdown
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