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Merge multiple similar SQL Server tables to 1 PostgreSQL table

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.

Download Withdata DBCopier
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit

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

See also:

SQL Server → PostgreSQL reference

Type mapping

Value kindin SQL Serverin PostgreSQL
Intintinteger
Decimaldecimal(p,s)numeric(p,s)
Floatfloatdouble precision
Textnvarchar(n)varchar(n)
Long textnvarchar(max)text
Datetimedatetime2timestamp
Binaryvarbinary(max)bytea
Booleanbitboolean
JSONnvarchar(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.

Propertyin SQL Serverin PostgreSQL
port14335432
identifiers[square brackets]"double quotes"
row limitSELECT TOP nLIMIT n
datesdatetime, datetime2, date, timetimestamp, timestamptz, date, time
long textnvarchar(max)TEXT
binaryvarbinary(max)BYTEA

Command line

SideCommand
SQL Serverbcp
PostgreSQLpg_dump or COPY ... TO
PostgreSQL (load)COPY ... FROM
SQL Server (load)bcp, or BULK INSERT

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