Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Data field Characters None of the listed here Bits Data field Characters None of the listed here Bits ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? CREATE DELETE SELECT UPDATE CREATE DELETE SELECT UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to add a column/integrity constraint to a table to redefine a column to change a table's storage characteristics All of these to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to redefine a column to change a table's storage characteristics All of these to create a table, defining its columns, integrity constrains, and storage allocation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error Both of the listed here None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error Both of the listed here None of the listed here 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? SAVE PACK COMMIT ZIP SAVE PACK COMMIT ZIP ANSWER DOWNLOAD EXAMIANS APP
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