Want to batch transfer data from SQL Server to PostgreSQL ?
Using DBCopier, a native GUI software, a SQL Server to PostgreSQL converter, you can batch transfer data from SQL Server to PostgreSQL easily 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, macOS.
Batch transfer data from SQL Server to PostgreSQL
Login to SQL Server and target PostgreSQL -> Select source SQL Server tables -> Set target PostgreSQL tables -> Transfer SQL Server data to PostgreSQL
Choose source SQL Server database and logon.
Choose target PostgreSQL database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Open source SQL Server .
2. List target PostgreSQL tables.
3. Select PostgreSQL tables to import.
4. Batch transfer data from SQL Server to PostgreSQL.
You can schedule and automate this “SQL Server to PostgreSQL” conversion task by:
1) Save session and create .bat (Windows) or .sh (Linux/macOS) file.
More about DBCopier – SQL Server to PostgreSQL sync tool
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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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