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Title
Displaying Data File Records with the DFDM Utility
ID
0000000035
Subtitle
Data File Display & Maintenance (DFDM) Utility
Description
This procedure will help you display records only. See other articles for other processes.
Text
The DFDM Utility is a multi-purpose file analysis and maintenance tool used to access and examine the contents of MAS 90/200 data files. This utility can be used to view, modify or remove data records.
IMPORTANT: The DFDM Utility contains options capable of modifying MAS 90/200 data files. There is no audit trail available for records modified through this utility, so BACK UP all files to be modified before executing and changes or deletions of records!
To access the Data File Display & Maintenance (DFDM) Utility, select it from the "Repair" menu.
Resolution
TO DISPLAY RECORD INFORMATION: When using the DFDM to display file information, several pieces of useful information wil lbe displayed. Corresponding fields for file name, key size, record size, number of records and record type will be shown. At the top of the record information area, the 'Key' line will show the key of the currently-displayed record.
The vertical column of numbers on the left side is the 'Variable Index'. Each number in this index corresponds to a specific data field within the record. Data fields exceeding 74 characters will wrap on to additional lines. The index numbers corresponding to these are followed by a colon (:).
The numbered grid across the top of the display allows you to measure the number of bytes contained within the data field - each character represents one byte.
Several options are available when viewing records: 1. Click the right-arrow navigation button to see records one at a time from the beginning of the file to the end. Click the left-arrow button to back through the data records from the last record to the first.
2. To display information for records starting with a specific key value, enter an alphanumeric key value in the 'Key' field, then press 'Enter'. NOTE: This field is case-sensitive!
3. Click the 'Key Scan' buttion to see a list of the records. Use the 'Search' button to enter a specific starting key.
4. Click on the 'Edit' button to modify the content of the record. For more explicit instructions on this, see our article on "How to Modify Records Using the DFDM".
5. Click the 'Delete' button to remove the selected record from the file. For more specifics on how to accomplsih this, see our article on "How To Delete Data Records Using the DFDM". Note that the 'Delete' button is disabled when viewing an Index type data file.
6. Click on the 'Printer' button to open the Print window. In the 'Print Option' list, select 'Print Records' or 'Print Keys'.
7. Clear the 'All' check box to define the range of records or keys to print.
DISPLAYING A DATA FILE: 1. Click on the 'Folder' button to select a file or enter the name of the file in the "Field Name" field. a. The first 2 characters represent the application code, the last 3 characters represnt the company code. (e.g., "GLABC" represents General Ledger GL0 file for company ABC.) b. When the file name is entered or selected, the data file contents will be displayed.
2. Click the arrow buttons to navigate through the records in the selected or named file.
3. In the "Key" field, enter a key and press 'Enter' to view the first record for that key.
4. Click on the 'Key Scan' button to display only the key information for the selected or named file. NOTE: The 'Key Scan' button does not display indexed files.
TO DISPLAY KEY INFORMATION: 1. Click on the right-arrow button to display the key information from the first record in the file.
2. If you want to see key information for other records, click the 'Key Scan' button, then the 'Search' button. Enter the alphanumeric key information in 'Enter Starting Key' field. NOTE: This field is case-sensitive.
3. Click 'OK' to display records with the value in the 'Key Scan' window. The key information is displayed for each record in the file.
4. You can scan through the file using the 'Page Down' key.
5. To display records starting with a different key value, click on the 'Search' button again.
6. Double-click any record in the Key Scan list to view its content.
7. Click on the 'Printer' button to print the Data File Listing.