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What is recovery management component?
Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
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
Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE? HAVING CLAUSE - HAVING CLAUSE is used only with SELECT statement. - It is normally used in a GROUP BY
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
The State of Newyork certifies firefighters throughout state keep track all of them, as well as the state’s of fire departments. Each fire department has unique department number
Which two tools are used to administer users for Active Directory?
the of super market system done in database
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
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