Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Representational/Implementation Data Models provide concepts[…]
Read moreCategory: Database
Conceptual Level/Schema,”describes the structure of the whole database for a group of usersschema hides the details of storage & concentrates on describing entities, data types, relationships, user operations
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Conceptual Level/Schema,”describes the structure of[…]
Read moreDeadlock Detection,”Create a Wait-For-Graph showing the dependencies
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Read moreEntity-relationship Model
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Entity-relationship Model popular high-level conceptual[…]
Read moreTransaction Starvation
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Transaction Starvation When a Transaction[…]
Read moreObject Data Model,”new family of higher-level implementation data models that are closer to conceptual data modelsfrequently used in the software engineering domaindefines a database in terms of objects, their properties
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Read moreTimestamping,”A method of managing Database concurrency giving transactions a (relative) start time ts(T).T request read(x)- ts(T) < wrt(x) → Fails: x has change since T read it- ts(T) ≥ wrt(x) → Passes we have the latest version of x - then: rts(x) = MAX( rts(x)
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Timestamping,”A method of managing Database[…]
Read moreAccess Path
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Access Path search structure that[…]
Read moreDatabase Recovery
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Database Recovery The process of[…]
Read moreIndex,”an example of access path that allows direct access to data using and index term/keywordmay be organized linear, hierarchical
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Index,”an example of access path[…]
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