Want to import data from CSV/TSV/TXT file to Oracle ?
Using FileToDB, a native GUI tool, you can import data from CSV/TSV/TXT file to Oracle in 4 simple steps, just a few mouse clicks!
Support Windows, Linux, macOS
Here you can download and install FileToDB.
Import data from CSV file to Oracle in 4 steps
Choose Oracle and logon.
Click “Wizard – 1 File To 1 Table” at task dialog.
Select the “CSV” file type.
then show the wizard.
Step #1. Open a CSV file.
Step #2. Select a table and config fields.
Step #3. Preview data.
Step #4. Import.
You can schedule and automate this converting task by:
1) Save session and create .bat file.
More about FileToDB – the tool to import CSV/TSV/TXT data to Oracle
CSV → Oracle reference
Type mapping
| Value kind | in CSV | in Oracle |
|---|---|---|
| Int | 1234 | NUMBER(10) |
| Bigint | 9007199254740993 | NUMBER(19) |
| Decimal | 1234.56 | NUMBER(p,s) |
| Float | 1.234e+10 | BINARY_DOUBLE |
| Text | quoted only when it contains a comma or a quote | VARCHAR2(n) |
| Long text | must be quoted; line breaks inside force multi-line records | CLOB |
| Date | 2026-09-18 | DATE |
| Datetime | 2026-09-18 14:30:00 | TIMESTAMP |
| Binary | not representable - base64 or hex string | BLOB |
| Boolean | TRUE / FALSE, or 1 / 0 depending on the writer | NUMBER(1) |
| JSON | the whole JSON value quoted, with internal quotes doubled | CLOB |
Dialect differences
CSV is a file format and Oracle is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.
| Property | in CSV | in Oracle |
|---|---|---|
| port | — | 1521 |
| identifiers | Double quotes; a literal quote is doubled ("" ) | "double quotes" |
| row limit | — | FETCH FIRST n ROWS ONLY |
| dates | Conventional text: 2026-09-18 or 2026-09-18 14:30:00 | DATE, TIMESTAMP |
| long text | — | CLOB, NCLOB |
| binary | Not supported | BLOB, BFILE |
| separator | Comma "," | — |
| encoding | No declaration - UTF-8 works only with a BOM | — |
| typing | None - every field is text | — |
| shape | Flat table, optional header row | Tables of rows and columns |
| ceiling | No formal limit; row count bounded by memory | — |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| Oracle (load) | sqlldr (SQL*Loader) |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.