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HP OpenVMS Systems Documentation

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HP COBOL
DBMS Database Programming Manual


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D
Data definition
Data Definition Language
    DDL utility
Data Definition Language (DDL)
Data Division
Data items
    default initial values
Data manipulation language (DML)
    See also DML statements
Data Storage Description Language (DSDL) #1
Data Storage Description Language (DSDL) #2
Database
    administrator (DBA) #1
    administrator (DBA) #2
    areas
    CDD$DEFAULT
    CDD$TOP
    COMMIT RETAINING statement
    COMMIT statement
    compiling an HP COBOL DML program
        using the /MAP qualifier
    conditional expression
    CONNECT statement
    copying database records
    creating
    creating an HP COBOL DML program
    creating new record relationships
    creating records
    currency indicators #1
    currency indicators #2
        example
        freeing
            example
        null
        realm
        record type
        run unit #1
        run unit #2
        saving
        See also Currency indicators
        set type
    Data Definition Language
    data item
    data manipulation language
        See also DML statements
    Database Control System
    DB statement
    DBQ utility #1
    DBQ utility #2
    debugging DML programs
        sample session
    definition of
    degree of record locking
    deleting records #1
    deleting records #2
    demonstration package
        creating
        loading
    designing
    DISCONNECT statement
    entry points into
    ERASE ALL statement
    ERASE statement
    erasing records for
    error handling
    error-handling routines
    establishing a known currency condition
    exception conditions
        AT END phrase
        ON ERROR phrase #1
        ON ERROR phrase #2
        translating DB-CONDITION values
        USE statement
            example
    exception handling
    FETCH NEXT
    FETCH statement
        qualifying
    FIND ALL statement
    FIND NEXT
    FIND statement
        qualifying
    finding records
    forked sets
    IF EMPTY clause
    keeplists
    key
    key identifier access
    linking an HP COBOL DML program
    locking out other users
    logical division
    maintaining
    many-to-many relationships
        records of the same type
        two types of records
    MEMBER test condition
    minimizing lock out
    modifying members of sorted sets
    modifying records
    multiset relationships
        example #1
        example #2
    NEW.ROO
    one-to-many relationsships
        records of the same type
    Oracle CDD/Repository
    OWNER test condition
    physical division
    place markers
    processing control
    program examples
        accessing database information #1
        accessing database information #2
        backing up a database
        creating relationships #1
        creating relationships #2
        creating relationships #3
        displaying database information #1
        displaying database information #2
        populating a database
    programming techniques
        READY usage modes
            See also READY statement, Access mode, and Usage mode
    protected access
    quiet points
        figure
    read-only access
    reading a subschema map listing
        example #1
        example #2
        example #3
        example #4
        example #5
    realms
    RECONNECT statement
    record
    record deleting
    record locking #1
    record locking #2
        individual records
        READY statement
        realm level
        record level
        releasing locks
        See also Record locking
    record retrieval
    record transfers
    record types
    RETAINING clause
        example
    ROLLBACK statement
    run unit
        concurrent
    running an HP COBOL DML program
    schema
    See also Keeplist and DML statements
    set occurences
    set relationships #1
    set relationships #2
    set types
    sets
    simple sets #1
    simple sets #2
    simultaneous access to
    storage address of the record
    storage schema
    stream
        multiple streams
    SUB-SCHEMA section
    subschema
    system-owned sets
    testing DML programs
        sample session
    transaction
    transactions
        figure
    unrestricted access
    updating records
    user work area
Database concepts and definitions
Database Control System (DBCS) #1
Database Control System (DBCS) #2
Database Control System (DBCS)
    major functions
Database key identifiers
Database on error condition
Database Query utility (DBQ)
DB-CONDITION #1
DB-CONDITION #2
    translating values
DB-CURRENT-RECORD-ID #1
DB-CURRENT-RECORD-ID #2
DB-CURRENT-RECORD-NAME #1
DB-CURRENT-RECORD-NAME #2
DB-KEY #1
DB-KEY #2
DB statement #1
DB statement #2
DB statement #3
DB statement #4
DB statement #5
DB statement #6
DB-UWA
DBCS
    See Database Control System
Dbkey
    value
DBM$SIGNAL
DBMDEMO #1
DBMDEMO #2
DDL utility
    See Data Definition Language
Debugging
    HP COBOL DML programs
    sample session
Declaratives procedures
    referencing with the USE statement
Delimited-scope statement
DISCONNECT statement #1
DISCONNECT statement #2
DISCONNECT statement #3
    set membership options
DML
    See Data manipulation language and DML statements
DML statements
    COMMIT #1
    COMMIT #2
    CONNECT #1
    CONNECT #2
    DISCONNECT #1
    DISCONNECT #2
    ERASE #1
    ERASE #2
    FETCH #1
    FETCH #2
    FIND #1
    FIND #2
    FREE #1
    FREE #2
    FREE #3
    GET
    KEEP #1
    KEEP #2
    MODIFY
    READY
    RECONNECT #1
    RECONNECT #2
    ROLLBACK #1
    ROLLBACK #2
    STORE
DMU Utility
DSDL
    See Data Storage Description Language
DUPLICATE clause


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