Introduction to Database System A logical schema All of these None of these is the entire database is a standard way of organizing information into accessible parts describes how data is actually stored on disk All of these None of these is the entire database is a standard way of organizing information into accessible parts describes how data is actually stored on disk ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . A report indexes user data metadata A report indexes user data metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . self-describing metadata compatible described an application program self-describing metadata compatible described an application program ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL MODIFY TABLE MODIFY ALLOCATES None of these REDEFINE TABLE ALTER TABLE MODIFY TABLE MODIFY ALLOCATES None of these REDEFINE TABLE ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP