Migrate Clipper to PostgreSQL

Shiji Pan

1 year ago

Want to migrate from Clipper to PostgreSQL ?

Try Withdata DBCopier, a Clipper to PostgreSQL converter for Windows, Mac, and Linux, Migrate Clipper to PostgreSQL, Easy and Fast.

Step by Step, just a few mouse clicks.
Create PostgreSQL tables with auto mapping data types. Create PostgreSQL indexes.

Migrate from Clipper to PostgreSQL

Choose source Clipper database and logon.

Choose target PostgreSQL database and logon.

Click “Wizard – Import All Tables” at task dialog.

then show the wizard.

Create PostgreSQL tables. Copy Clipper data to PostgreSQL. Create PostgreSQL indexes.

Withdata DBCopier is an on-premise data conversion software that helps you to copy data between databases. Download Withdata DBCopier

DBCopier works fast. It convert millions of rows within a minute.

Of course! DBCopier migrate from Clipper to PostgreSQL locally, absolutely safe.

Yes, you can. DBCopier has Linux, Mac OS, and Windows version.

Both Clipper and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.

Property	in Clipper	in PostgreSQL
port	`(file-based)`	`5432`
identifiers	`—`	`"double quotes"`
row limit	`(driver dependent)`	`LIMIT n`
dates	`Date (D)`	`timestamp, timestamptz, date, time`
long text	`Memo (M)`	`TEXT`
binary	`—`	`BYTEA`

Side	Command
PostgreSQL	`pg_dump or COPY ... TO`
PostgreSQL (load)	`COPY ... FROM`

PostgreSQL has no equivalent for Date and time - it has to be flattened or dropped.
PostgreSQL has no equivalent for Binary - it has to be flattened or dropped.
PostgreSQL has no equivalent for JSON - it has to be flattened or dropped.

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