Database Redesign What SQL command can be used to add columns to a table? ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Although creating test databases is a critical and necessary job, there are few career opportunities in this area. True False True False 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 ALTER CONSTRAINT GradeCheck (Grade > 0); None of these ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0); ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); None of these ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); 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
Database Redesign Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign. ambivalent optimistic skeptical None of these ambivalent optimistic skeptical None of these ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The data model that is produced from reverse engineering is: a conceptual model. a logical model. an internal model. None of these a conceptual model. a logical model. an internal model. None of these ANSWER DOWNLOAD EXAMIANS APP
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