How do I use the spool command in Linux?

How do you use the spool command?

In order to execute the Spool in Oracle, 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.

How do I spool in Linux?

Using the Oracle spool command

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

How do I run a spool file in Sqlplus?

If you wish to use SQL*Plus Command-line , you’ll simply issue the sqlplus command from your shell:

  1. $ sqlplus.
  2. $ sqlplus [email protected]//machine.domain:port/database.
  3. set colsep , set headsep off set pagesize 0 set trimspool on.
  4. set linesize # set numwidth #
  5. spool file_path.
  6. spool off.
  7. SELECT title, primary_author FROM books;

How do you spool SQL output in Unix?

file using UNIX. Image removed by sender.

  1. In SQL prompt first run the sql command whose o/p u want 2 spool;
  2. Then write spool <drivename:><filename.txt>
  3. Then at sql prompt type / (it will run the previous SQl query in buffer);
  4. Once the output ends, then at sql prompt say (sql > spool off);

What is spooling in database?

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 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.

What is spool file in Linux?

/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.

Can we use spool in procedure?

6 Answers. spool is a sqlplus command. it cannot be used in pl/sql.

What is spool directory Linux?

The spool directory holds all work requests and all log files for UUCP. … For each remote system specified in the Systems configuration file, there is a subdirectory in the /usr/spool/uucp directory named for the system (for example, the subdirectory for a remote system named South is south).

What is set Serveroutput on?

Basically the use of SET SERVEROUTPUT is to display the query answer in SQL *PLUS interface… When you use the DBMS_OUTPUT. PUT_LINE procedure, the procedure will write the passing string into the Oracle buffer. … Use the “Set serveroutput on” to display the buffer used by dbms_output.

Where is Sqlplus spool file location?

2 Answers. Spool is a client activity, not a server one; the . lst file will be created on the machine that SQL Developer is on, not the server where the database it’s connecting to resides. You can spool to a specific directory, e.g. spool c:windowstemptest.

What is SQL * Plus command?

SQL*Plus is a command-line tool that provides access to the Oracle RDBMS. SQL*Plus enables you to: … Startup and shutdown an Oracle database. Connect to an Oracle database. Enter and execute SQL commands and PL/SQL blocks.

How do I run Sqlplus on Linux?

SQL*Plus Command-line Quick Start for UNIX

  1. Open a UNIX terminal.
  2. At the command-line prompt, enter the SQL*Plus command in the form: $> sqlplus.
  3. When prompted, enter your Oracle9i username and password. …
  4. SQL*Plus starts and connects to the default database.

How do I run a Sqlplus script from the command line?

Running a Script as You Start SQL*Plus

  1. Follow the SQLPLUS command with your username, a slash, a space, @, and the name of the file: SQLPLUS HR @SALES. SQL*Plus starts, prompts for your password and runs the script.
  2. Include your username as the first line of the file. Follow the SQLPLUS command with @ and the filename.

How do you run a shell script in SQL?

To run a SQL script using SQL*Plus, place the SQL along with any SQL*Plus commands in a file and save it on your operating system. For example, save the following script in a file called “C:emp. sql”. CONNECT scott/tiger SPOOL C:emp.

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