Want to transfer data from multiple similar SQL Server tables to 1 PostgreSQL table?
Try Withdata DBCopier, a SQL Server to PostgreSQL converter for Windows, Mac, and Linux, Copy SQL Server 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.
Transfer data from multiple similar SQL Server tables to a single PostgreSQL table
Login to SQL Server and PostgreSQL -> Select source SQL Server tables -> Set the target PostgreSQL table -> Copy SQL Server data to PostgreSQL
Choose source SQL Server database and logon.
Choose target PostgreSQL database and logon.
Click “Convert Similar Tables” at task dialog.
then show the wizard.
1. Select similar SQL Server tables.
2. Select a destination PostgreSQL table and config fields.
3. Preview data.
4. Import data from multiple similar SQL Server tables to a single PostgreSQL table.
More about SQL Server to PostgreSQL converter
Download Withdata DBCopier
See also:
- Copy SQL Server table data to PostgreSQL
- Copy SQL Server query results to PostgreSQL table
- Batch copy SQL Server tables to PostgreSQL
SQL Server → PostgreSQL reference
Type mapping
| Value kind | in SQL Server | in PostgreSQL |
|---|---|---|
| Int | int | integer |
| Decimal | decimal(p,s) | numeric(p,s) |
| Float | float | double precision |
| Text | nvarchar(n) | varchar(n) |
| Long text | nvarchar(max) | text |
| Datetime | datetime2 | timestamp |
| Binary | varbinary(max) | bytea |
| Boolean | bit | boolean |
| JSON | nvarchar(max) | jsonb |
Dialect differences
Both SQL Server and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in SQL Server | in PostgreSQL |
|---|---|---|
| port | 1433 | 5432 |
| identifiers | [square brackets] | "double quotes" |
| row limit | SELECT TOP n | LIMIT n |
| dates | datetime, datetime2, date, time | timestamp, timestamptz, date, time |
| long text | nvarchar(max) | TEXT |
| binary | varbinary(max) | BYTEA |
Command line
| Side | Command |
|---|---|
| SQL Server | bcp |
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
| SQL Server (load) | bcp, or BULK INSERT |
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