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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
What are the uses of functional dependencies? To test relations to see whether they are legal under a given set of functional dependencies. To state constraints on the set
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
what do you understand by enhanced entity-relationship
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
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
Do the 11.1 11.1 Credit Card Use. Consider the following hypothetical bank data on consumers’ use of credit card credit facilities in Table 11.3. Create a small worksheet in Exce
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