1 05/27/86 open, o
 2 
 3 Syntax: o path mode
 4 
 5 
 6 Syntax as an active request: [o path mode]
 7 
 8 
 9 Function: opens a specified MRDS data base for accessing in the
10 designated mode.  As an active request returns true if the
11 database was sucessfully opened and false if it was not.
12 
13 
14 Arguments:
15 path
16    the pathname of a MRDS database or of a data submodel
17    associated with a MRDS database.
18 mode
19    the usage mode in which the data base is to be opened.
20 
21 
22 Notes:
23 The following are valid opening modes.  Either the long or short
24 form may be specified.
25 
26 retrieval, r
27    shared retrieval, must use scope mechanism.
28 update, u
29    shared update, must use scope mechanism.
30 exclusive_retrieval, er
31    precludes updaters.
32 exclusive_update, eu
33    precludes other users.