Want to migrate from PostgreSQL to SQLite ?
Try Withdata DBCopier, a PostgreSQL to SQLite converter for Windows, Mac, and Linux, Migrate PostgreSQL to SQLite, Easy and Fast.
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- Step by Step, just a few mouse clicks.
- Create SQLite tables with auto mapping data types. Create SQLite indexes.
Migrate from PostgreSQL to SQLite
Login to PostgreSQL -> Login to SQLite -> Select tables to migrate -> Migrate from PostgreSQL to SQLite
Choose source PostgreSQL database and logon.
Choose / create target SQLite database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Open source PostgreSQL.
2. Set “Import Type”.
3. Select SQLite tables to migrate.
4. Migrate from PostgreSQL to SQLite.
Create SQLite tables. Copy PostgreSQL data to SQLite. Create SQLite indexes.
FAQ
More about PostgreSQL to SQLite converter
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See also:
PostgreSQL → SQLite reference
Type mapping
| Value kind | in PostgreSQL | in SQLite |
|---|---|---|
| Int | integer | INTEGER |
| Bigint | bigint | INTEGER |
| Decimal | numeric(p,s) | NUMERIC |
| Float | double precision | REAL |
| Text | varchar(n) | TEXT |
| Long text | text | TEXT |
| Date | date | TEXT |
| Datetime | timestamp | TEXT |
| Binary | bytea | BLOB |
| Boolean | boolean | INTEGER |
| JSON | jsonb | TEXT |
Dialect differences
Both PostgreSQL and SQLite are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in PostgreSQL | in SQLite |
|---|---|---|
| port | 5432 | (file-based) |
| identifiers | "double quotes" | "double quotes" or [brackets] |
| dates | timestamp, timestamptz, date, time | TEXT (no date type) |
| binary | BYTEA | BLOB |
Command line
| Side | Command |
|---|---|
| PostgreSQL | pg_dump or COPY ... TO |
| SQLite | sqlite3 .dump |
| SQLite (load) | .import (sqlite3) |
| PostgreSQL (load) | COPY ... FROM |
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