Want to sync data from SQL Server to PostgreSQL ?
Try Withdata DBCopier, a SQL Server to PostgreSQL converter for Windows, Mac, and Linux, Synchronize 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.
Synchronize data from SQL Server to PostgreSQL
Login to SQL Server and target PostgreSQL -> Select source SQL Server tables -> Set target PostgreSQL tables -> Sync 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. Select source SQL Server tables to sync.
2. List target PostgreSQL tables.
Set “Import Type” to “Replace”, it will do a full synchronization.
Or set “Import Type” to “Upsert”, it will do a upsert synchronization.
3. Select PostgreSQL tables to sync.
4. Sync SQL Server data to PostgreSQL.
More about SQL Server to PostgreSQL converter
Download Withdata DBCopier
See also:
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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