1Z0-071 Web TestEngine demo

Select all that apply.

• A

  Add a new column as the table's first column.

• B

  Define a default value that is automatically inserted into a column containing nulls.

• C

  Add a new NOT NULL Column with a DEFAULT value.

• D

  Change a DATE Column containing data to a NUMBER data type.

• E

  Increase the width of a numeric column.

• F

  Change the default value of a column.