What is Utl_file in Oracle with example?
UTL_FILE I/O capabilities are similar to standard operating system stream file I/O ( OPEN , GET , PUT , CLOSE ) capabilities, but with some limitations. For example, you call the FOPEN function to return a file handle, which you use in subsequent calls to GET_LINE or PUT to perform stream I/O to a file.
What is set Termout off in Oracle?
SET TERMOUT OFF suppresses the display so that you can spool output from a script without seeing it on the screen. If both spooling to file and writing to terminal are not required, use SET TERMOUT OFF in SQL scripts to disable terminal output.
Is there way to select items in CSV format?
Oracle: select items in CSV format? Is there a way of natively expressing (in sql, or perhaps a procedure?) a query which will return the data as a CSV or space separated list? What version of Oracle? Tim Hall has a page describing various string aggregation techniques in Oracle. If you are using Oracle 11.2, the simplest option is
How to generate CSV files in Oracle base?
If you are using SQL*Plus, a simple solution is to avoid PL/SQL altogether and concatenate all the column values together with dividing commas. The output from this type of query can be spooled out to a file. Define a directory object which points to an existing filesystem directory on the server.
How to extract CSV files in Oracle 9i?
In Oracle 9i it’s functionality has been extended to include binary reads/write operations. In this article I will demonstrate how to use the UTL_FILE package to perform a simple data extract to a CSV file. In Oracle8i the UTL_FILE.FOPEN procedure accepted an actual path for the location parameter.
How can I read a CSV file using SQL?
If you want to read CSV files using SQL, you need an external table. So if you can’t create one, you’re out of luck. You’ll have to read the data into an existing table with UTL_file first. If there’s an existing external table you can query, you can point it to a new location with the external modify clause.