Want to export data from multiple similar PostgreSQL tables to one XML file?
Try Withdata DBToFile, a PostgreSQL to XML converter for Windows, Linux, and macOS, Export PostgreSQL data to XML, 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.
Export multiple similar PostgreSQL tables to a single XML file
Login to PostgreSQL -> Select PostgreSQL tables -> Set XML file options -> Export PostgreSQL to XML
Choose PostgreSQL and logon.
Click “Export Similar Tables” at task dialog.
Select XML file type.
1. Select similar PostgreSQL tables.
2. Set XML file options.
3. Set rows options.
4. Export multiple similar PostgreSQL tables to a single XML file.
After exporting, you can view output XML file.
More about PostgreSQL to XML converter
Download Withdata DBToFile
See also:
- Export PostgreSQL table to XML
- Export PostgreSQL query results to XML
- Batch export PostgreSQL tables to XML files
PostgreSQL → XML reference
Type mapping
| Value kind | in PostgreSQL | in XML |
|---|---|---|
| Int | integer | <int>1234</int> |
| Bigint | bigint | <bigint>9007199254740993</bigint> |
| Decimal | numeric(p,s) | <decimal>1234.56</decimal> |
| Float | double precision | <float>1.234e10</float> |
| Text | varchar(n) | <char>text</char> |
| Long text | text | <text>multi-line text</text> (entities for & <) |
| Date | date | <date>2026-09-18</date> (xs:date with an XSD) |
| Datetime | timestamp | <datetime>2026-09-18T14:30:00Z</datetime> (xs:dateTime) |
| Binary | bytea | <blob>base64...</blob> (xs:base64Binary) |
| Boolean | boolean | <bool>true</bool> |
| JSON | jsonb | escaped inside an element, or its own sub-tree |
Dialect differences
PostgreSQL is a database server and XML 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 XML |
|---|---|---|
| port | 5432 | — |
| identifiers | "double quotes" | Attribute values in quotes; entities (& < >) for ... |
| row limit | LIMIT n | — |
| dates | timestamp, timestamptz, date, time | Text (xs:date / xs:dateTime when an XSD is in play) |
| long text | TEXT | — |
| binary | BYTEA | base64Binary / hexBinary inside text |
| separator | — | Tags, not delimiters |
| encoding | — | Declared in the XML declaration |
| typing | — | None in the markup itself |
| shape | Tables of rows and columns | Arbitrary tree |
| ceiling | — | Whole document is usually parsed into memory |
Command line
| Side | Command |
|---|---|
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
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