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 Which command(s) is(are) used to redefine a column of the table in SQL ? DEFINE TABLE MODIFY TABLE all of the listed here ALTER TABLE DEFINE TABLE MODIFY TABLE all of the listed here ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. normal forms. referential integrity constraints. transitive dependencies. modification anomalies. normal forms. referential integrity constraints. transitive dependencies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system None of these can accept English language commands allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals None of these can accept English language commands allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called fields data database files None of these fields data database files None of these ANSWER DOWNLOAD EXAMIANS APP