Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Starvation,”Transaction has to keep waiting[…]
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_____ relationships occur when there are multiple relationship paths between related entities
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review._____ relationships occur when there[…]
Read moreNoSQL databases
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.NoSQL databases provide fault tolerance
Read moreWhich of the following types of HDFS nodes stores all the metadata about a file system?
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Which of the following types[…]
Read moreDatabase Design Steps
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Database Design Steps 1. Requirements[…]
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 moreProgram-Data Independence
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Program-Data Independence Structure of Data[…]
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 moreProgram-Operation Independence
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Program-Operation Independence User applications can[…]
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[…]
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