What is the purpose of a READY?
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Answer / geekshiraj
The Ready statement performs an equivalent function as an
OPEN statement for a conventional file. It makes the
required area of the database available to the program.
The syntax is as follows:
SHARED
READY <area-name> USAGE-MODE IS PROTECTED RETRIEVAL
ALL EXCLUSIVE UPDATE
This statement begins a run-unit.
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Answer / manikandesvaran
READY
Syntax :
READY <area-name> USAGE MODE <sub-mode mode>
sub-mode: SHARED, PROTECTED, EXCLUSIVE
mode: RETRIEVAL, UPDATE
Execution
This statement prepares a database area for access in the specified usage modes. It requests access to database areas, and in turn to records, in various
usage modes. The usage modes indicate the operations the readying run-unit can or cannot perform against the database area. The usage modes can be
specified as follows.
Modes Meaning
RETRIEVAL For read-only operations. Prohibited from issuing STORE,ERASE, MODIFY, CONNECT and DISCONNECT
functions
UPDATE For read as well as update operations. Permitted to issue all DML functions
Sub-modes Meaning
SHARED Permit other run-units to concurrently access the area
PROTECTED Prohibit other run-units from readying in UPDATE mode
EXCLUSIVE Prohibit other run-units from readying in ANY mode
IDMS applies permissibility rules whenever a run unit attempts to ready
Is This Answer Correct ? | 1 Yes | 0 No |
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