datacopy
—
move table data between two servers
datacopy |
[-vdE ] {-t |
-a | -c
owner} [-b
batchsize] [-p
packetsize] [-S
server/username/password/database/table_or_view]
[-D
server/username/password/database/table]
[-T textsize] |
datacopy
is a utility distributed with FreeTDS.
datacopy
will move table data from one server to
another without the need for intermediate files.
datacopy
is much faster and more efficient than is
freebcp out/in.
datacopy
makes use of the db-lib bcp API
built into FreeTDS. This API is also available to application
developers.
datacopy
can be used to migrate data
between Sybase ASE and SQL Server or vice versa.
-t
- Truncate target table before loading data.
-a
- Append data to target table.
-c
owner
- Create the target table with the same schema as the source table.
datacopy
will submit a
‘CREATE TABLE
’ command on the target
server using the specified owner in the command, e.g.
‘CREATE TABLE owner.table
(...).
’
-b
batchsize
- The number of rows per batch of data copied. Each batch of data is
effectively 'committed' to the database. The default is 1000.
-p
packetsize
- The number of bytes, per network packet, sent to and from the servers.
Increased packet size can enhance performance.
-T
textsize
- Specify size of TEXT/IMAGE column from network.
-v
- Produce verbose output, including diagnostic timings.
-d
- Produce freetds TDSDUMP output. (Serious debug only!)
-S
server/username/password/database/table_or_view
- The connection information for the source server and the location/name of
the table (or view) to be copied. If not specified,
datacopy
prompts the user for the
information.
-D
server/username/password/database/table
- The connection information for the destination server and the
location/name of the target table. If not specified,
datacopy
prompts the user for the
information.
-E
- Keep identity values.
datacopy
first appeared in FreeTDS 0.64.
The datacopy
utility was written by
Bill Thompson
⟨thompbil@exchange.uk.ml.com⟩.