Which of the following statements about the UPDATE command i

Which of the following statements about the UPDATE command is incorrect?

Which of the following statements about the INSERT keyword is incorrect?

Which of the following statements about substitution variables is incorrect?

Regarding the INSERT statement, which of the following is correct?Regarding the INSERT statement, which of the following is correct?

The column to be updated by the UPDATE command is specified in the ____ clause

When does a COMMIT command explicitly occur?

When data is being entered into a VARCHAR2 or CHAR column using the INSERT command, the data will be stored in ____.

Which of the following keywords is omitted from the INSERT command if the data to be added to a table is already contained in another table?

A user who is issuing DML commands can save modified data or undo uncommitted changes by issuing ____ statements

Solution

The column to be updated by the UPDATE command is specified in the SET clause

When does a COMMIT command explicitly occur?

Commit command explicitly occur when you submit commit by executing this command after DML statements explicitly otherwise it is done automatically by database engine.

When data is being entered into a VARCHAR2 or CHAR column using the INSERT command, the data will be stored in the same case as is used in the INSERT command

Which of the following keywords is omitted from the INSERT command if the data to be added to a table is already contained in another table? VALUES

A user who is issuing DML commands can save modified data or undo uncommitted changes by issuing

ROLLBACK to revert statements