Introduction to Database System A key: must always be composed of two or more columns. identifies a column. can only be one column. identifies a row. must always be composed of two or more columns. identifies a column. can only be one column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II R:base DB2 IDMS dBase-II R:base DB2 IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has more fields than the original table more rows than the original table none of the listed here both of the listed here more fields than the original table more rows than the original table none of the listed here both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to change a table's storage characteristics All of these to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to change a table's storage characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order is in descending order is the result of a sort operation both (b) and (c) None of these is in ascending order is in descending order is the result of a sort operation both (b) and (c) None of these is in ascending order ANSWER DOWNLOAD EXAMIANS APP
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