Want to export Oracle data to CSV file via Command Line Interface (CLI) on Windows?
Using ora-cmd, Command Line Interface (CLI) client for Oracle, you can unload Oracle data to CSV/TSV/TXT easily and fast. Direct Interaction or Scripting and Automation.
- No need to install Oracle client library.
- Convenient to deploy to cloud. No need to run installation file, just uncompress and run, immediately.
- Commands are entered into a terminal or command prompt, accessed from local or remote (like SSH).
- Support Windows, Linux, and MacOS.
Download ora-cmd Windows version
Export Oracle data to CSV/TSV/TXT via command line on Windows
1. Unload Table.
1) In interactive mode:
ora-cmd> unload
> table=media_messages
> datafile=/data/media_messages.csv
> delimiter=,
> quote="
> header=y;
2) In batch mode:
ora-cmd dsn="pan:withdata@192.168.0.102/test" task=unload table=media_messages datafile=/data/media_messages.csv delimiter=, quote=" header=y quit=y
2. Unload Query.
1) In interactive mode:
ora-cmd> unload
> query="select * from media_messages where id > 100"
> datafile=/data/media_messages.csv
> delimiter=,
> quote="
> header=y;
2) In batch mode:
ora-cmd dsn="pan:withdata@192.168.0.102/test" task=unload query="select * from media_messages where id > 100" datafile=/data/media_messages.csv delimiter=, quote=" header=y quit=y
3. Unload All Tables.
1) In interactive mode:
ora-cmd> unload
> table=all
> folder=/data/tables_data
> delimiter=,
> quote="
> header=y;
2) In batch mode:
ora-cmd dsn="pan:withdata@192.168.0.102/test" task=unload table=all folder=/data/tables_data delimiter=, quote=" header=y quit=y
See parameters detail.
More about ora-cmd – Command Line Interface (CLI) tool for Oracle
Oracle → CSV reference
Type mapping
| Value kind | in Oracle | in CSV |
|---|---|---|
| Int | NUMBER(10) | 1234 |
| Bigint | NUMBER(19) | 9007199254740993 |
| Decimal | NUMBER(p,s) | 1234.56 |
| Float | BINARY_DOUBLE | 1.234e+10 |
| Text | VARCHAR2(n) | quoted only when it contains a comma or a quote |
| Long text | CLOB | must be quoted; line breaks inside force multi-line records |
| Date | DATE | 2026-09-18 |
| Datetime | TIMESTAMP | 2026-09-18 14:30:00 |
| Binary | BLOB | not representable - base64 or hex string |
| Boolean | NUMBER(1) | TRUE / FALSE, or 1 / 0 depending on the writer |
| JSON | CLOB | the whole JSON value quoted, with internal quotes doubled |
Dialect differences
Oracle is a database server and CSV is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in Oracle | in CSV |
|---|---|---|
| port | 1521 | — |
| identifiers | "double quotes" | Double quotes; a literal quote is doubled ("" ) |
| row limit | FETCH FIRST n ROWS ONLY | — |
| dates | DATE, TIMESTAMP | Conventional text: 2026-09-18 or 2026-09-18 14:30:00 |
| long text | CLOB, NCLOB | — |
| binary | BLOB, BFILE | Not supported |
| separator | — | Comma "," |
| encoding | — | No declaration - UTF-8 works only with a BOM |
| typing | — | None - every field is text |
| shape | Tables of rows and columns | Flat table, optional header row |
| ceiling | — | No formal limit; row count bounded by memory |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| Oracle (load) | sqlldr (SQL*Loader) |
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