Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Miscellaneous issues 3 ***Will be[…]
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Database operations
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Database operations Insert: add new[…]
Read moreAnomalies,”For more complex relations, database operations may cause problems, inconsistencies
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Anomalies,”For more complex relations, database[…]
Read moreA typical byproduct of poor design is …,”data redundancy
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.A typical byproduct of poor[…]
Read moreFunctional dependencies
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Functional dependencies Data redundancy is[…]
Read moreTypes of functional dependency,”Full, partial
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Read moreFull dependency
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Full dependency : values in[…]
Read moreArmstrong’s Axioms
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Armstrong’s Axioms ReflexivityAugmentationTransivityDecompositionUnionPseudotransivity
Read moreReflexivity,”If Y ⊆ X, then X → YIn other words, an attribute always determines itselfReflexivity relates to trivial functional dependencies: FDs that include themselves (e.g., X → X or X, Y → X). Again
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Reflexivity,”If Y ⊆ X, then[…]
Read moreAugmentation,”if X → Y, then XZ → YZIn other words
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Augmentation,”if X → Y, then[…]
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