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# dd: data driver utilities

Name | Type | Description
ddcheck | verb | check response, display any error message
ddcnm | verb | column names selected by ddsel
ddcnt | verb | rowcount of last ddsql command
ddcol | verb | column names in the table
ddcom | verb | commit transaction
ddcon | verb | connect to data source
dddis | verb | disconnect from data source
ddend | verb | end sql statement started with ddsel
dderr | verb | error info on last command (name, source, warning, msg)
ddfch | verb | as ddfet, but with data in columns
ddfet | verb | fetch next record from selected data
ddrbk | verb | rollback transaction
ddsel | verb | prepare and execute sql statement (selection)
ddsql | verb | prepare, execute, and end sql statement
ddsrc | verb | data source names available from ODBC manager
ddtbl | verb | selection handle for tables in data source
ddtrn | verb | begin transaction

ddcheck

    check response, display any error message
    example: ch=: ddcheck ddcon 'dsn=Access97'

ddcnt

    rowcount of last ddsql command

    utility:

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