Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? MODIFY TABLE ALTER TABLE All of the listed here DEFINE TABLE MODIFY TABLE ALTER TABLE All of the listed here DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? all of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE all of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships tables records treelike structure complex logical relationships tables records treelike structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS all of the listed here each user can access every sub¬schema each user can "see" only a small part of the entire database each subschema contains every field in the logical schema all of the listed here each user can access every sub¬schema each user can "see" only a small part of the entire database each subschema contains every field in the logical schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a small computer system is available All of these None of these a large computer system is available only a few transactions are involved only a small computer system is available All of these None of these a large computer system is available only a few transactions are involved ANSWER DOWNLOAD EXAMIANS APP