NET/MASTER Network Control Language (NCL) Programmer's Guide

Displaying UDB Information
Working With Files
12–20 106160 Tandem Computers Incorporated
If the SHOW UDB command indicates that a UDB or UDB pair is in error, you can use
the error number to determine the cause of the error, and the UDBCTL CLOSE
command to close the UDB or UDB pair. The following screen shows a UDB in error
and how to use the UDBCTL CLOSE command to close the UDB:
(14:39) --------------------- OPERATOR CONTROL SERVICES ----------------------
UDBCTL OPEN=MYFILE
NNM0309 OPEN FAILED, ERROR=11, UDB=\SYS1.$DATA9.ZNNM.MYFILE
SHOW UDB=MYFILE
NNM0313 FILENAME FILEID A/U RKP KYL STUS OPTNS
NNM0315 \SYS1.$DATA9.ZNNM.MYFILE >>> OPEN ERROR=11 ERR
NNM0999 *END* 1 UDBS DISPLAYED
UDBCTL CLOSE=MYFILE
NNM0300 CLOSE REQUEST COMPLETE
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(Error 11 is a Guardian error number indicating that the file is not found.)
Displaying Information
About UDB Users
The SHOW UDBUSER command displays information about the users and NCL
processes that are currently using a UDB or UDB pair, as the following screen shows:
(15:16) --------------------- OPERATOR CONTROL SERVICES ----------------------
SHOW UDBUSER
NNM0317 FILEID USERID NCL-PROC NCLID TERMINAL BASE-PROC OPENID
NNM0318 MESUDB NMTJN OPEN_FI* 000046 #5283467 MESUDBA MESUDB
NNM0318 DESUDB NMTJN OPEN_FI* 000048 #5283467 DESUDBA DESUDB
NNM0318 UESUDB NMTJN OPEN_FI* 000047 #5283467 UESUDBA UESUDB
NNM0999 *END*
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