Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? EMMS DBMS None of these FMS DASD EMMS DBMS None of these FMS DASD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? UNATTACH TABLE DROP TABLE DELETE TABLE ERASE TABLE UNATTACH TABLE DROP TABLE DELETE TABLE ERASE TABLE 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. Hierarchical database Relational database Network database Distributed database Hierarchical database Relational database Network database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file None of these refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files None of these refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . an application program self-describing metadata compatible described an application program self-describing metadata compatible described ANSWER DOWNLOAD EXAMIANS APP
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