Introduction to Database System A good query system allows non-programmers to access information stored in a database can accept English language commands can be accessed only by data processing professionals None of these both (a) and (b) allows non-programmers to access information stored in a database can accept English language commands can be accessed only by data processing professionals None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files None of these All of these record relationships data elements records and files None of these All of these record relationships data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add new rows to a table? ALTER TABLE ADD ROW APPEND INSERT ALTER TABLE ADD ROW APPEND INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER ALTER TRIGGER MODIFY USER All of the listed here CHANGE USER ALTER TRIGGER MODIFY USER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
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