Merge multiple similar SQLite tables to 1 PostgreSQL table

Want to transfer data from multiple similar SQLite tables to 1 PostgreSQL table?

Try Withdata DBCopier, a SQLite to PostgreSQL converter for Windows, Mac, and Linux, Copy SQLite data to PostgreSQL, 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.
• Support Windows, Linux, and macOS.

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Transfer data from multiple similar SQLite tables to a single PostgreSQL table

Login to SQLite and PostgreSQL -> Select source SQLite tables -> Set the target PostgreSQL table -> Copy SQLite data to PostgreSQL

Choose source SQLite database and logon.

Choose target PostgreSQL database and logon.

Click “Convert Similar Tables” at task dialog.

then show the wizard.

1. Select similar SQLite tables.

2. Select a destination PostgreSQL table and config fields.

3. Preview data.

4. Import data from multiple similar SQLite tables to a single PostgreSQL table.

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More about SQLite to PostgreSQL converter

See also:

• Copy SQLite table data to PostgreSQL
• Copy SQLite query results to PostgreSQL table
• Batch copy SQLite tables to PostgreSQL

SQLite → PostgreSQL reference

Type mapping

Value kind	in SQLite	in PostgreSQL
Int	INTEGER	integer
Bigint	INTEGER	bigint
Decimal	NUMERIC	numeric(p,s)
Float	REAL	double precision
Text	TEXT	varchar(n)
Long text	TEXT	text
Date	TEXT	date
Datetime	TEXT	timestamp
Binary	BLOB	bytea
Boolean	INTEGER	boolean
JSON	TEXT	jsonb

Dialect differences

Both SQLite and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.

Property	in SQLite	in PostgreSQL
port	(file-based)	5432
identifiers	"double quotes" or [brackets]	"double quotes"
dates	TEXT (no date type)	timestamp, timestamptz, date, time
binary	BLOB	BYTEA

Command line

Side	Command
SQLite	sqlite3 .dump
PostgreSQL	pg_dump or COPY ... TO
PostgreSQL (load)	COPY ... FROM
SQLite (load)	.import (sqlite3)

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