Want to batch copy data from SQL Server tables to PostgreSQL ?
Try Withdata DBCopier, a SQL Server to PostgreSQL converter for Windows, Mac, and Linux, Bulk copy SQL Server 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.
Batch copy data from SQL Server tables to PostgreSQL tables
Login to SQL Server and PostgreSQL -> Select source SQL Server tables -> Set target PostgreSQL tables -> Copy SQL Server data to PostgreSQL
Choose source SQL Server database and logon.
Choose target PostgreSQL database and logon.
Click “Convert All Tables” at task dialog.
then show the wizard.
1. Select source SQL Server tables.
2. List target PostgreSQL tables.
3. Select PostgreSQL tables to import.
4. Transfer data from SQL Server tables to PostgreSQL.
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
- Merge multiple similar SQL Server tables to 1 PostgreSQL table
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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