What does spool off mean?

In your context, to spool on and spool off (note the second ‘f’) is to wind or unwind the wire onto or from a spool.

What is spool command in Unix?

The “spool” command is used within SQL*Plus to direct the output of any query to a server-side flat file. SQL> spool /tmp/myfile.lst. Becuse the spool command interfaces with the OS layer, the spool command is commonly used within Oracle shell scripts.

How do I stop query in spool?

3 Answers. Running from within a script, set termout off works. It doesnt if you are just typing into the terminal. will do the trick.

How do I run a spool file in Sqlplus?

Launching SQL*Plus

$ sqlplus.
$ sqlplus schema@//machine.domain:port/database.
set colsep , set headsep off set pagesize 0 set trimspool on.
set linesize # set numwidth #
spool file_path.
spool off.
SELECT title, primary_author FROM books;
EDIT file_name.

What is a spool file?

A spooled file holds output data until it can be printed. The spooled file collects data from a device until a program or device is able to process the data. A program uses a spooled file as if it were reading from or writing to an actual device.

How do you use a spool?

Use Spool to Export Query Results to a CSV File table WHERE condition; spool off; In order to execute the Spool, you’ll need to run it as a script (for example, if you are using Oracle SQL Developer, you may press F5 to run the Spool as a script). Your CSV file will then get created at your specified path.

What is Spooler in printer?

The Print Spooler is software built into the Windows operating system that temporarily stores print jobs in the computer’s memory until the printer is ready to print them.

What does SPOOL mean in software?

simultaneous peripheral operations on-
SPOOL is an acronym for simultaneous peripheral operations on-line. It is a kind of buffering mechanism or a process in which data is temporarily held to be used and executed by a device, program or the system.

What is a printer spool file?

Spool files are files used by the Windows® operating system that speak to the printer and give it specific instructions on how to print a file or document. Spool files come in two varieties: enhanced metafile (EMF) and raw. The difference is in how the printer processes the spool file.

What is spooling explain?

In computing, spooling is a specialized form of multi-programming for the purpose of copying data between different devices. In contemporary systems, it is usually used for mediating between a computer application and a slow peripheral, such as a printer. Spooling is a combination of buffering and queueing.

What is spool Linux?

1. Purpose. /var/spool contains data which is awaiting some kind of later processing. Data in /var/spool represents work to be done in the future (by a program, user, or administrator); often data is deleted after it has been processed.

What does the spool command do in SQL?

If you consider SPOOL command causes SQL*Plus to write the results to a file. from the above line 1, it will redirect the ls o/p to the file /tmp/output.txt. second line also do the same as redirect the o/p to the file /tmp/output.txt. for each time i need to provide the redirection to file.

Is there a script called spool in Unix?

I had found the answer for this. there is an command called script in unix which will make record of a terminal session (like spool does in oracle). to stop the spooling type exit.

What does spool on / off do in Maxl?

Spool on/off Log the output of a MaxL Shell session to a file. Send standard output, informational messages, error messages, and/or warning messages generated by the execution of MaxL statements to a file.

What does the name of the file mean in spool?

file_name [. ext] Represents the name of the file to which you wish to spool. SPOOL followed by file_name begins spooling displayed output to the named file. If you do not specify an extension, SPOOL uses a default extension (LST or LIS on most systems).

What does spool off mean?