Database Redesign How many copies of the database schema are typically used in the redesign process? One Three Two Four One Three Two Four ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The NOT EXISTS keyword will be true if: any row in the subquery meets the condition. neither of these two conditions is met. both of these two conditions are met. all rows in the subquery fail the condition. any row in the subquery meets the condition. neither of these two conditions is met. both of these two conditions are met. all rows in the subquery fail the condition. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which SQL-92 standard SQL command can be used to change a table name? RENAME TABLE None of these CHANGE TABLE ALTER TABLE RENAME TABLE None of these CHANGE TABLE ALTER TABLE 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 To drop a column that is used as a foreign key, first: drop the table containing the foreign key. All of these drop the foreign key constraint. drop the primary key. drop the table containing the foreign key. All of these drop the foreign key constraint. drop the primary key. 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? None of these ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0); None of these ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0); ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS