Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The process of reading a database schema and producing a data model from that schema is known as: None of these database design. data modeling. reverse engineering. None of these database design. data modeling. reverse engineering. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign To drop a column that is used as a foreign key, first: drop the foreign key constraint. drop the primary key. All of these drop the table containing the foreign key. drop the foreign key constraint. drop the primary key. All of these drop the table containing the foreign key. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model produced from the reverse engineering process does not include intersection table data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0? ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); None of these ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); None of these ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0); ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process. False True False True ANSWER DOWNLOAD EXAMIANS APP
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