Database Redesign Which is not true of a correlated subquery? EXISTS/NOT EXISTS is a form of a correlated subquery. They are very similar to a regular subquery. They can be used to verify functional dependencies. The processing of the SELECT statements is nested. EXISTS/NOT EXISTS is a form of a correlated subquery. They are very similar to a regular subquery. They can be used to verify functional dependencies. The processing of the SELECT statements is nested. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign If a database is built correctly the first time, it will not have to be redesigned. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Reverse engineering is the process of reading a database schema and producing a data model from that schema. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The EXISTS keyword will be true if any row in the subquery meets the condition. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How can you find rows that do not match some specified condition? None of these EXISTS NOT EXISTS Double use of NOT EXISTS None of these EXISTS NOT EXISTS Double use of NOT EXISTS 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 (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); None of these ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); None of these ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); ANSWER DOWNLOAD EXAMIANS APP