Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a forecasting report regularly scheduled report exception report on demand report forecasting report regularly scheduled report exception report on demand report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Relational database Network database Hierarchical database Distributed database Relational database Network database Hierarchical database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Two concurrent activities interact to cause a processing error None of the listed here two users of the DBMS are interacting with different files at the same time Both of the listed here Two concurrent activities interact to cause a processing error None of the listed here two users of the DBMS are interacting with different files at the same time Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Master file Log file Specialized file Update file Master file Log file Specialized file ANSWER DOWNLOAD EXAMIANS APP
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