Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II R:base IDMS DB2 dBase-II R:base IDMS DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used All of these to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation to change a table's storage characteristics to add a column/integrity constraint to a table All of these to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation to change a table's storage characteristics to add a column/integrity constraint to a table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? FMS None of these DASD EMMS DBMS FMS None of these DASD EMMS DBMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? MODIFY USER All of the listed here ALTER TRIGGER CHANGE USER MODIFY USER All of the listed here ALTER TRIGGER CHANGE USER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
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