Withdata Software

Update data from TSV file to PostgreSQL without programming

Want to update data from TSV file to PostgreSQL ?

Using File To DB, a native GUI tool for Windows, MacOS, and Linux, you can update data from TSV file to PostgreSQL easily and fast.

Download FileToDB
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit

Update data from TSV file to PostgreSQL

Login to PostgreSQL -> Choose TSV file -> Set PostgreSQL table -> Update TSV to PostgreSQL

Choose PostgreSQL and logon.

Click “Wizard – 1 File To 1 Table” at task dialog.

Select the “TSV” file type.

then show the wizard.

1. Open a source TSV file.

2. Select a PostgreSQL table and config fields.

Set “Load Type” to “Update”, choice “By Key”.

3. Preview data.

4. Update TSV data to PostgreSQL .

View updateed data

Update TSV data to PostgreSQL in command line

Save session, and then create .bat file for Windows command line, or .sh file for Linux / macOS.

Set scheduled tasks for updating TSV data to PostgreSQL

You can schedule and automate this “TSV to PostgreSQL” conversion task by:

1) Save session and create .bat (Windows) or .sh (Linux/macOS) file.

2) Set scheduled task.

FAQ

How long does it take to import TSV data to PostgreSQL?
FileToDB works fast. It convert millions of rows within a minute.
Is it safe to import TSV data to PostgreSQL using FileToDB?
Of course! FileToDB import TSV data to PostgreSQL locally, absolutely safe.
Can I import TSV data to PostgreSQL on Linux, Mac OS?
Yes, you can. FileToDB has Linux, Mac OS, and Windows version.
Can I import TSV data to PostgreSQL in command line?
Yes, you can. FileToDB can running in command line, on Linux, Mac OS, and Windows.


More about FileToDB – TSV to PostgreSQL converter

TSV → PostgreSQL reference

Type mapping

Value kindin TSVin PostgreSQL
Int1234integer
Bigint9007199254740993bigint
Decimal1234.56numeric(p,s)
Float1.234e+10double precision
Textunquoted; a tab in the value splits the columnvarchar(n)
Long textunquoted; newlines break the rowtext
Date2026-09-18date
Datetime2026-09-18 14:30:00timestamp
Binarynot representablebytea
BooleanTRUE / FALSEboolean
JSONthe whole JSON value as-is (its own quotes stay)jsonb

Dialect differences

TSV is a file format and PostgreSQL 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.

Propertyin TSVin PostgreSQL
port—5432
identifiersRarely used, which is exactly why tabs in data break it"double quotes"
row limit—LIMIT n
datesConventional text: 2026-09-18 or 2026-09-18 14:30:00timestamp, timestamptz, date, time
long text—TEXT
binaryNot supported - must be encodedBYTEA
separatorTab—
encodingNo declaration - UTF-8 works only with a BOM—
typingNone - every field is text—
shapeFlat table, optional header rowTables of rows and columns
ceilingNo formal limit—

Command line

SideCommand
PostgreSQLpg_dump or COPY ... TO
PostgreSQL (load)COPY ... FROM

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.

New to the format? Read what a TSV file is (and how it differs from CSV).