iX V6.5 (30391-90011)

216 Chapter5

TurboIMAGE/XL Library Procedures

DBOPEN

[/USERIDENT] Access class zero (0).

;[/USERIDENT] Creator access.

password[/USERIDENT] Password access.

If either the password or the user identiﬁer string is less than eight

characters long, it must be terminated with a semicolon or a blank.

The password establishes a user class number as described in chapter 2. A

semicolon supplied as the password implies creator class 64. The user

identiﬁer is used by the program DBRECOV to distinguish between users

logged on under the same name and account.

The following are valid examples:

;

CLERK

CLERK;

CLERK;/JOE;

CLERK /JOE;

/DBA

mode

is an integer between 1 and 8, inclusive, corresponding to the valid

TurboIMAGE/XL access modes described in chapter 4. Here is a brief

summary:

Access Mode Associated Capabilities Concurrent Modes Allowed

1 Modify with enforced locking. Allow

concurrent modify.

1,5

2 Update, allow concurrent update. 2,6

3 Modify exclusive. none

4 Modify, allow concurrent read. 6

5 Read, allow concurrent modify. 1,5

6 Read, allow concurrent modify. 6 and either 2, one 4, or 8

7 Read, exclusive. none

8 Read, allow concurrent read. 6,8