Want to schedule and automate from PostgreSQL to SQLite copy data task?
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Schedule and automate PostgreSQL to SQLite data task
1. Select and run a task from follow list:
- Merge multiple similar PostgreSQL tables to 1 SQLite table
- Batch copy PostgreSQL tables to SQLite
- Copy PostgreSQL query results to SQLite table
- Copy PostgreSQL table data to SQLite
- Migrate PostgreSQL to SQLite
- Sync data from PostgreSQL to SQLite
- Convert PostgreSQL To SQLite
2. Save session and create .bat file.
More about Withdata DBCopier – the tool to copy PostgreSQL data to SQLite
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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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