Database Redesign What SQL command can be used to add columns to a table? MODIFY TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName ALTER TABLE TableName ADD COLUMN ColumnName MODIFY TABLE TableName ADD ColumnName MODIFY TABLE TableName ADD COLUMN ColumnName ALTER TABLE TableName ADD ColumnName ALTER TABLE TableName ADD COLUMN ColumnName ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which of the following modifications may not succeed? Changing a column data type from numeric to char Changing a column data type from char to date Both of the above actions should succeed Neither of the above actions will succeed Changing a column data type from numeric to char Changing a column data type from char to date Both of the above actions should succeed Neither of the above actions will succeed 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. skeptical optimistic None of these ambivalent skeptical optimistic None of these ambivalent ANSWER DOWNLOAD EXAMIANS APP
Database Redesign The process of reading a database schema and producing a data model from that schema is known as: data modeling. None of these reverse engineering. database design. data modeling. None of these reverse engineering. database design. ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Some organizations take the stand that no application should ever employ the true name of a table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Four Two Three One Four Two Three One ANSWER DOWNLOAD EXAMIANS APP
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