Want to bulk import TXT files into Oracle tables at one time?
Try Withdata FileToDB, a desktop TXT to Oracle converter for Windows, MacOS, and Linux, Convert TXT to Oracle, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Convert locally and privately, avoid uploading large or private TXT files to online services.
- Support Windows, Linux, and macOS.
Bulk import TXT files into Oracle tables
Login to Oracle -> Choose TXT files -> Set Oracle tables -> Import TXT files to Oracle tables
Choose Oracle and logon.
Click “Wizard – N Files To N Tables” at task dialog.
Select the “TXT” file type.
then show the wizard.
1. Select a folder that constains TXT files.
Support large ( > 4GB ) TXT files.
2. Config first TXT file importing options.
3. Set “Import Type”.
4. Map Oracle tables to TXT files.
5. Summary. Set “Convert Rows” and “Skip Rows” if need.
6. Import TXT files to Oracle tables, 1 file to 1 table, one by one.
View imported data in Oracle table
Bulk import TXT files into Oracle tables in command line
Save “bulk TXT files to Oracle tables” session, then you can:
- Bulk import TXT files into Oracle tables in Windows command line.
- Bulk import TXT files into Oracle tables in Linux command line.
- Bulk import TXT files into Oracle tables in macOS command line.
Set scheduled tasks for bulk importing TXT files into Oracle tables
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “TXT to Oracle” conversion.
- Set scheduled task for “TXT to Oracle” conversion.
FAQ
More about Withdata FileToDB – TXT to Oracle converter
Download Withdata FileToDB
See Video: Oracle bulk import TXT files into tables in one go
See also:
TXT → Oracle reference
Type mapping
| Value kind | in TXT | in Oracle |
|---|---|---|
| Int | 1234, or right-aligned in a fixed-width column | NUMBER(10) |
| Bigint | 9007199254740993 | NUMBER(19) |
| Decimal | 1234.56 | NUMBER(p,s) |
| Float | 1.234e+10 | BINARY_DOUBLE |
| Text | written as-is; padding depends on the chosen layout | VARCHAR2(n) |
| Long text | written as-is | CLOB |
| Date | whatever the writer chose | DATE |
| Datetime | whatever the writer chose | TIMESTAMP |
| Binary | not representable | BLOB |
| Boolean | Y / N, or 1 / 0, or TRUE / FALSE | NUMBER(1) |
Dialect differences
TXT 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 TXT | in Oracle |
|---|---|---|
| port | — | 1521 |
| identifiers | None by convention | "double quotes" |
| row limit | — | FETCH FIRST n ROWS ONLY |
| dates | Whatever the writer produced; no convention is guaranteed | DATE, TIMESTAMP |
| long text | — | CLOB, NCLOB |
| binary | Not supported | BLOB, BFILE |
| separator | Whatever was chosen - often fixed column widths | — |
| encoding | No declaration - UTF-8 works only with a BOM | — |
| typing | None - every field is text | — |
| shape | Free form; a parser has to be told the layout | Tables of rows and columns |
| ceiling | No formal limit | — |
Command line
| Side | Command |
|---|---|
| Oracle | exp / expdp |
| Oracle (load) | sqlldr (SQL*Loader) |
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