Formative Assessment

Which of the following statements about built-in database functions is correct?

• Built-in database functions reduce the amount of data that is retrieved.

• Built-in database functions may increase network bandwidth consumed

• Built-in database functions must be called from a python

• Built-in database functions may increase processing time.

The database stores data in tabular format only

• True

• False

The INSERT statement cannot be used to insert multiple rows in single statement

• True

• False

The SELECT statement is called Query and the result that we get is called result set

• True

• False

The CREATE TABLE statement is

• DML Statement

• DDL Statement

• DCL Statement

• None of above

The process of constructing a mathematical model or function that can be used to predict

or determine one variable by another variable is called

• Regression

• Correlation

• residual

• outlier plot

In the regression equation Y = 21 - 3X, the slope is

• 21

• -3

• 3

• -21