Question

Which of the following simple transformations can be used while loading data through the COPY command?

A. Omit columns
B. re order columns
C. pivot
D. transpose
E. cast
F. truncate

Answer 1

The simple transformations that can be used while loading data through the COPY command include omitting columns, reordering columns, and casting data types.

Step-by-step explanation:

The simple transformations that can be used while loading data through the COPY command in a database management system (DBMS) include:

• Omit columns: This transformation allows you to exclude specific columns from being loaded into the target table.
• Reorder columns: This transformation allows you to change the order of columns in the loaded data.
• Cast: This transformation allows you to convert the data type of a column during the loading process.