Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Data Normalization The storing of[…]
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Controlled Redundancy,”Using tasteful amounts of redundancy to improve query performance. For instance, storing the student_name and course_number redundantly in a grade_report file
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Controlled Redundancy,”Using tasteful amounts of[…]
Read moreImpedance Mismatch Problem
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Impedance Mismatch Problem The incompatibility[…]
Read moreIntegrity Constraints/Business Rules
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Integrity Constraints/Business Rules “Referential Integrity[…]
Read moreIntension/Extension
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Intension/Extension The schema of the[…]
Read moreSchema Evolution,”The modification of a schema
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Schema Evolution,”The modification of a[…]
Read moreDBMS Languages,”Data Definition Language – A language used where no separation of levels exists; used to define conceptual and internal schemasWhen a separation does exist:1. Storage Definition Language: Specifies internal schema2. View Definition Language: Specifies user views and their mappings to conceptual schema (SQL often takes on this role, but usually the DDL is dominent)3. Data Manipulation Language: Perform insertions, retrievals, deletions
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.DBMS Languages,”Data Definition Language –[…]
Read moreTypes of Data Manipulation Languages,”High Level/Set-at-a-time: Can be used on its own to concisely specify database operationsLow Level/Record-at-a-time: Must be embedded in a general-purpose programming language
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Types of Data Manipulation Languages,”High[…]
Read moreData Dictionary/Repository/Information Repository,”Stores information about schemas, constraints, design decisions, usage standards
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Data Dictionary/Repository/Information Repository,”Stores information about[…]
Read moreDB/DC System
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.DB/DC System Integration of Database[…]
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