HP 3000 Manuals

DBChange Plus User's Guide MPE/iX 5.0 Documentation


DBChange Plus User's Guide

Table of Contents

 DBChange Plus User's Guide
   DBChange Plus User's Guide : COPYRIGHT NOTICE

   Ch 1.  Introduction to DBChange Plus
      What Is DBChange Plus?
          DBChange Plus Operation
      Getting Started
          Running the DBCPLUS Program
          Getting Help
          Specifying the Database to be Restructured
          How the Change File Works
             Creating a New Change File
             Updating an Existing Change File
             Purging an Existing Change File
          Using Some DBChange Plus Commands
             Adding a Data Item
             Changing a Password
             Deleting a Field
          Leaving the DBChange Program
      Getting to Know the DBChange Plus Command Interface
          Command Format
          Difference Between Deferred and Immediate Commands
          Command Sequence
          Terminating a Command
          Executing Commands from a File
             Including Comments in a File
             Using a Command File
             Using a Job File
          Issuing MPE XL Commands from within the DBCPLUS Program
      Redirecting Input, Output, and the Schema Listing
          Printing the Schema to an MPE XL File
             Printing the Schema to an MPE XL File in Interactive Mode
             Printing the Schema to an MPE XL File in Batch Mode
      How DBChange Plus Handles Errors
      How DBChange Plus Helps You Avoid and Recover from Errors
          Using Job Control Words to Check the Status of DBChange Plus

   Ch 3.  Displaying Information about the Database
      Summary of Commands to Display Information about the Database
      Printing the Schema
          Aborting the PRINT SCHEMA Command
      Using REVIEW Commands to Display Information about the Database
          Displaying User Classes and Passwords
          Displaying Data Items
          Displaying Information about Data Sets
             Displaying Data Sets
             Displaying Fields
             Displaying Paths

   Ch 4.  Changing Data Items
      Summary of Commands to Change Data Items
      Helpful TurboIMAGE/XL Information
      Item Type Conversions
      Adding a Data Item
      Deleting a Data Item
      Recovering a Data Item
      Reordering a Data Item
      Renaming a Data Item
      Changing a Data Item
      Changing Data Item Attributes

   Ch 5.  Changing Data Sets
      Summary of Commands to Change Data Sets
      Helpful TurboIMAGE Information
      Adding a Master Data Set
      Adding a Detail Data Set
      Deleting a Data Set
      Recovering a Data Set
      Reordering a Data Set
      Renaming a Data Set
      Changing the Capacity of a Data Set
      Changing the Blocking Factor of a Data Set
      Changing the Maximum Block Length of a Data Set
      Changing the Device Class of a Data Set
      Adding a Field to a Data Set
      Deleting a Field from a Data Set
      Reordering a Field in a Data Set
      Adding a Sort Item to a Detail Data Set
      Deleting a Sort Item from a Detail Data Set

   Ch 6.  Changing Paths in a Database
      Summary of Commands to Change Paths
      Helpful TurboIMAGE/XL Information
      Adding a Path to a Detail Data Set
      Redefining the Primary Path in a Detail Data Set
      Deleting a Path from a Detail Data Set

   Ch 7.  Changing Database Security
      Summary of Commands to Change Database Security
      Helpful TurboIMAGE/XL Information
      Adding a Password to the Database
      Changing a Password in the Database
      Deleting a Password from the Database
      Changing Data Item Security
      Deleting Data Item Security
      Changing Data Set Security
      Deleting Data Set Security

   Ch 8.  Maintaining the Database
      Summary of Commands to Maintain the Database
      Guidelines for Maintaining the Database
          How the FIX Commands Operate
      Repacking Data Sets
      Checking and Fixing Paths
          Checking Paths
             Analyzing the CHECK PATH Statistics
          Fixing Paths
      Checking and Fixing Data Sets
          Checking a Master Data Set
             Analyzing the CHECK SET Statistics for a Master Data Set
          Fixing a Master Data Set
          Checking a Detail Data Set
             Analyzing the CHECK SET Statistics for a Detail Data Set
          Fixing a Detail Data Set
      Checking and Fixing the Entire Database
      Using the QUICK Option with CHECK Commands

   Ch 9.  Applying Changes to the Database Structure
      What is DBAPLUS?
      Before Restructuring the Database
      Saving the New Schema
          Saving the Schema Processor Output
      Methods of Using the DBAPLUS Program
          Initiating the DBAPLUS Program Interactively
          Creating a DBAPLUS Job File from within the DBChange Program
             Modifying the Job File
          Running the DBAPLUS Program Independently
      Using PARM Values
      How DBAPLUS Restructures a Database
          Possible Restructuring Problems
      Restructuring the ORDERS Database

   Ch 10.  DBChange Plus Commands
      DBChange Plus Command Formats
      Summary of DBChange Plus Commands
         ADD FIELD
         ADD ITEM
         ADD PASSWORD
         ADD PATH
         ADD SET
         ADD SORT
         BASE
         CANCEL COMMANDS
         CANCEL ERASE
         CANCEL REPACK
         CHANGE ATTRIBUTES
         CHANGE BLOCKFACTOR
         CHANGE BLOCKMAX
         CHANGE CAPACITY
         CHANGE DEVICECLASS
         CHANGE ITEM
         CHANGE ITEMSECURITY
         CHANGE PASSWORD
         CHANGE PRIMARYPATH
         CHANGE SETSECURITY
         CHECK BASE
         CHECK PATH
         CHECK SET
         CONTROL
         COPY
         DELETE FIELD
         DELETE ITEM
         DELETE ITEMSECURITY
         DELETE PASSWORD
         DELETE PATH
         DELETE SET
         DELETE SETSECURITY
         DELETE SORT
         ERASE SET
         EXIT
         FIX BASE
         FIX PATH
         FIX SET
         HELP
         OUTPUT
         PERFORM COMMANDS
         PRINT SCHEMA
         RECOVER ITEM
         RECOVER SET
         REDO
         RENAME BASE
         RENAME ITEM
         RENAME SET
         REORDER FIELD
         REORDER ITEM
         REORDER SET
         REPACK SET
         REVIEW BLOCKS
         REVIEW FIELDS
         REVIEW ITEMS
         REVIEW PASSWORDS
         REVIEW PATHS
         REVIEW SETS
         XEQ

   Ap A. DBChange Plus Messages
      DBChange Plus Messages (continued)
      DBChange Plus Messages (continued)
      DBChange Plus Messages (continued)

   Ap B. ORDERS Schema
   INDEX
       Index



MPE/iX 5.0 Documentation