Opens the database areas.
(Default); opens all database areas in the subschema.
Opens only the specified area. Area-name must be an area included in the subschema.
Specifies how the database areas are opened and qualify database area usage.
Specifies how the database areas are opened.
Specifies that the database areas are opened in both update and retrieval modes.
Specifies that the database areas are opened in retrieval mode only.
Qualifies database area usage.
Allows other concurrently executing run units to open the same area in shared retrieval or shared update usage modes. Keywords YES and SHARED are synonymous.
Prevents concurrent update of the areas by run units executing under the same central version. Once a run unit has readied an area with the protected option, no other run unit can ready that area in any update usage mode until the first run unit releases it by means of a FINISH statement. A run unit cannot ready an area with the protected option if another run unit has readied the area in update usage mode.
Prevents concurrent use of the areas by any other run unit executing under the central version. Once a run unit has readied an area with the exclusive option, no other run unit can ready that area in any usage mode until the first run unit releases it.
If, under the central version, an @READY statement would result in a mode usage conflict for an area, the run unit issuing the @READY is placed in a wait state on the first functional database call.
Modification statements involving areas opened in one of the update usage modes are not allowed if they affect sets that include records in an area opened in one of the retrieval usage modes.
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