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Increases efficiency: Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, therefore the size of data to be looked into is smaller.
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
write short note on mobile database
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
Express the properties of Strings? Strings can be case sensitive (or not) which can change the outcome of string operations. You can evaluate whole strings \ just part
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Normal 0 false false false EN-US X-NONE X-NONE
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
what problems are raised by the database? why is it so controversial? why is data quality an issue?
aggregation
Explain the B + tree? B + tree is a type of tree which denotes sorted data in a way that permits for efficient insertion, retrieval and removal of records, each of which is
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