Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint 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 a database, data is stored in spreadsheets which have rows and columns. False True False True 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 Each of data files has a _____ that describe the way the data is stored in the file. Fields Database File structure Records Fields Database File structure Records 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 None of the listed here Both of the listed here Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time None of the listed here Both of the listed here Two concurrent activities interact to cause a processing error ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
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