Database Redesign Which of the following modifications may not succeed? Neither of the above actions will succeed Changing a column data type from char to date Both of the above actions should succeed Changing a column data type from numeric to char Neither of the above actions will succeed Changing a column data type from char to date Both of the above actions should succeed Changing a column data type from numeric to char ANSWER DOWNLOAD EXAMIANS APP
Database Redesign How many copies of the database schema are typically used in the redesign process? Two Four Three One Two Four Three One ANSWER DOWNLOAD EXAMIANS APP
Database Redesign Which SQL-92 standard SQL command can be used to change a table name? ALTER TABLE None of these RENAME TABLE CHANGE TABLE ALTER TABLE None of these RENAME TABLE CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
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 A regular subquery is processed from the bottom up. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Redesign If a database is built correctly the first time, it will not have to be redesigned. True False True False ANSWER DOWNLOAD EXAMIANS APP
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