Introduction to Database System In a relation, the rows are sometimes called "records". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Sort key Delete Update Index Sort key Delete Update Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the records in the list decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. identify the records in the list decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL MODIFY ALLOCATES MODIFY TABLE None of these ALTER TABLE REDEFINE TABLE MODIFY ALLOCATES MODIFY TABLE None of these ALTER TABLE REDEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
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