Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? ZIP PACK SAVE COMMIT ZIP PACK SAVE COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? SQL 4GL High level language Query language SQL 4GL High level language Query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what files are in the database what attribute are possessed by the data what these files contain All of the listed here what files are in the database what attribute are possessed by the data what these files contain All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What software packages are commonly used for businesses that have to track extensive lists of clients and inventory? None of these Special purpose packages Single function application packages Custom made programs Data management packages None of these Special purpose packages Single function application packages Custom made programs Data management packages ANSWER DOWNLOAD EXAMIANS APP
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