Want to batch export data from PostgreSQL tables to SQL files?
Try Withdata DBToFile, a PostgreSQL to SQL converter for Windows, Linux, and macOS, Export PostgreSQL data to SQL, 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.
Batch export data from PostgreSQL tables to SQL files
Login to PostgreSQL -> Select PostgreSQL tables -> Set SQL file options -> Export PostgreSQL tables to SQL
Choose PostgreSQL and logon.
Click “Export All Tables” at task dialog.
Select SQL file type.
1. Select PostgreSQL tables to export.
2. Set SQL options.
3. See PostgreSQL tables to be exported.
4. Set rows options.
5. Export PostgreSQL data to SQL files.
After exporting, you can view output SQL files.
More about PostgreSQL to SQL converter
Download Withdata DBToFile
See also:
- Export PostgreSQL table to SQL
- Export PostgreSQL query results to SQL
- Export multiple similar PostgreSQL tables to one SQL file
PostgreSQL → SQL reference
Type mapping
| Value kind | in PostgreSQL | in SQL |
|---|---|---|
| Int | integer | INT |
| Bigint | bigint | BIGINT |
| Decimal | numeric(p,s) | DECIMAL(p,s) |
| Float | double precision | DOUBLE PRECISION |
| Text | varchar(n) | VARCHAR(n) |
| Long text | text | TEXT / CLOB |
| Date | date | DATE |
| Datetime | timestamp | TIMESTAMP |
| Binary | bytea | BLOB / BYTEA |
| Boolean | boolean | BOOLEAN / SMALLINT |
| JSON | jsonb | JSON / TEXT |
Dialect differences
PostgreSQL is a database server and SQL is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in PostgreSQL | in SQL |
|---|---|---|
| port | 5432 | — |
| identifiers | "double quotes" | Two competing conventions: single-quoted literals and diale... |
| row limit | LIMIT n | — |
| dates | timestamp, timestamptz, date, time | Depends on the dialect: DATE literals, TO_DATE(), or plain ... |
| long text | TEXT | — |
| binary | BYTEA | Dialect-specific: X-quoted literal, 0x hex, or decode() |
| separator | — | Statement terminators (;) |
| encoding | — | No declaration |
| typing | — | Types belong to the target database, and they differ betwee... |
| shape | Tables of rows and columns | Statements; a dump usually means CREATE TABLE plus INSERT rows |
| ceiling | — | No formal limit, but a single INSERT statement has to fit i... |
Command line
| Side | Command |
|---|---|
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
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