Introduction to Database System The purpose of a database is to help people stop using spreadsheets. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files None of these is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files None of these is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? DEFINE TABLE MODIFY TABLE ALTER TABLE all of the listed here DEFINE TABLE MODIFY TABLE ALTER TABLE all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . A report indexes metadata user data A report indexes metadata user data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Row is synonymous with the term: record. relation. field. column. record. relation. field. column. ANSWER DOWNLOAD EXAMIANS APP
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