CLEAR

Purpose

Resets or erases the current value or setting for the specified option.

Syntax

CL[EAR] option ...

where option represents one of the following clauses:

BRE[AKS]
BUFF[ER]
COL[UMNS]
COMP[UTES]
SCR[EEN]
SQL
TIMI[NG]

Terms and Clauses

Refer to the following list for a description of each term or clause:

BRE[AKS]

Removes the break definition set by the BREAK command.

BUFF[ER]

Clears text from the buffer. CLEAR BUFFER has the same effect as CLEAR SQL, unless you are using multiple buffers (see the SET BUFFER command in Appendix F).

COL[UMNS]

Resets column display attributes set by the COLUMN command to default settings for all columns. To reset display attributes for a single column, use the CLEAR clause of the COLUMN command. CLEAR COLUMNS also clears the ATTRIBUTEs for that column.

COMP[UTES]

Removes all COMPUTE definitions set by the COMPUTE command.

SCR[EEN]

Clears your screen.

SQL

Clears the text from SQL buffer. CLEAR SQL has the same effect as CLEAR BUFFER, unless you are using multiple buffers (see the SET BUFFER command in Appendix F).

TIMI[NG]

Deletes all timers created by the TIMING command.

Example

To clear breaks, enter

SQL> CLEAR BREAKS

To clear column definitions, enter

SQL> CLEAR COLUMNS