Frequent question: How do I continue a spool in SQL?

Answer: The SPOOL command causes SQL*Plus to write the results to a file on the operating system. Once spool is set, SQL*Plus will continue to spool the output until the command SPOOL OFF. Note that the file cannot be seen or used until the SPOOL OFF command.

How do you spool a SQL query?

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.

How do I run a spool file in Sqlplus?

Launching SQL*Plus

  1. $ sqlplus.
  2. $ sqlplus schema@//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;
  8. EDIT file_name.

How do you set a line in SQL?

At the SQL*Plus command line, type: set pagesize 30 – this will change the page size to 30 rows. set pause on – this will cause the output to pause every 30 lines; press the enter key to continue.

THIS IS IMPORTANT:  How do you ignore case sensitive in SQL?

What is a database spool?

1. 1. SQL loader is a tool to load data into a database, not to get data out. You can change the query to get data in the exact format you want and then use SPOOL, which is a SQLPLUS command to print data to a file.

How do I redirect output to a file in SQL?

Getting Started

  1. If you want to save the results in a txt file, you can do this in SSMS. Go to Tools>Options:
  2. Select the option Result to file:
  3. Create a query and execute the query. …
  4. The result saved are the following:
  5. SQLCMD. …
  6. PowerShell. …
  7. Import/Export Wizard in SSMS. …
  8. You will open the SQL Server Import and Export wizard:

How do I spool in mysql?

For the Oracle SQLPlus spool command, there is no equivalent in the mysql command line client. To get output from the mysql command line client saved to a file, you can have the operating system redirect the output to a file, rather than to the display. In Unix, you use the > symbol on the command line.

How do you use the spool command?

Answer: The SPOOL command causes SQL*Plus to write the results to a file on the operating system. Once spool is set, SQL*Plus will continue to spool the output until the command SPOOL OFF. Note that the file cannot be seen or used until the SPOOL OFF command.

Can we use spool in procedure?

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

How do I create a CSV file in Oracle SQL query?

Steps to export query results to CSV in SQL Developer

  1. Step 1: Run your query. Firstly, you’ll need to run your query in SQL Developer. …
  2. Step 2: Open the Export Wizard. …
  3. Step 3: Select the CSV format and the location to export your file. …
  4. Step 4: Export query results to CSV.
THIS IS IMPORTANT:  Is not defined in Python?

How do I get the output of a single line in SQL?

3 Answers

  1. SET LINESIZE linesize the length of the line. …
  2. SET TRIMSPOOL ON otherwise every line in the spoolfile is filled up with blanks until the linesize is reached.
  3. SET TRIMOUT ON otherwise every line in the output is filled up with blanks until the linesize is reached.

How do I adjust column width in SQL?

You can change the displayed width of a datatype or DATE, by using the COLUMN command with a format model consisting of the letter A (for alphanumeric) followed by a number representing the width of the column in characters. If you specify a width shorter than the column heading, SQL*Plus truncates the heading.

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.

What is spool in SQL Server?

Easy, whenever SQL Server needs to walk through the data multiple times, usually in JOIN operations… … A spool is basically a temporary table created within the execution of the query that is used when it’s likely that data will be needed again, and again during the execution of the query.

Where are Oracle spools stored?

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.

How do I save a SQL program?

To save a SQL command:

  1. On the Workspace home page, click SQL Workshop and then SQL Commands. The SQL Commands page appears.
  2. Enter the command in the command editor.
  3. Click Save to save the command. …
  4. Click Save, or click Cancel to return to the command editor without saving.
THIS IS IMPORTANT:  Your question: How do you write parentheses in SQL?