| Figures |
| 1-1 |
Structure of a COBOL Program |
| 1-2 |
Database and Application Program Relationship |
| 4-1 |
Usage Mode Conflicts |
| 5-1 |
Bachman Diagram |
| 5-2 |
Partial Bachman Diagram of the PARTSS1 Subschema |
| 5-3 |
Bachman Diagram of the PARTSS3 Subschema |
| 5-4 |
Sample Occurrence Diagram 1 |
| 5-5 |
Sample Occurrence Diagram 2 |
| 5-6 |
One Occurrence of Set PART_SUPPLY |
| 5-7 |
Set Relationship |
| 5-8 |
Set Relationships |
| 5-9 |
Occurrence Diagram of a Relationship Between Two Set Types |
| 5-10 |
Bachman Diagram of a System-Owned Set Type |
| 5-11 |
Bachman Diagram of a Simple Set Type |
| 5-12 |
Bachman Diagram of a Forked Set Type |
| 5-13 |
Forked Set Occurrence |
| 5-14 |
Bachman Diagram of a Many-to-Many Relationship Between Two Types of Records |
| 5-15 |
Many-to-Many Relationship Between Two Types of Records |
| 5-16 |
Bachman Diagram of a Many-to-Many Relationship Between Records of the Same Type |
| 5-17 |
Current of PART_USES and PART_USED_ON |
| 5-18 |
Retain PART_USES Currency |
| 5-19 |
COMPONENT Is Connected to Both Set Types |
| 5-20 |
Finding the Stool Legs While Keeping STOOL Current of PART_USES |
| 5-21 |
Completed Bill of Materials |
| 5-22 |
Occurrence Diagram of a Many-to-Many Relationship Between Records of the Same Type |
| 5-23 |
Sample Parts Breakdown Report |
| 5-24 |
One-to-Many Relationship Between Records of the Same Type |
| 5-25 |
Sample Data Prior to Update |
| 5-26 |
Sample Data After Update |
| 5-27 |
Database Relationships |
| 5-28 |
Currency Status by Executable DML Statement |
| 5-29 |
Physical Representation of a Realm Without a RETAINING Clause |
| 5-30 |
Physical Representation of a Realm with a RETAINING Clause |
| 5-31 |
State of KEEPLIST-1 After Executing Line 000160 |
| 5-32 |
State of KEEPLIST-1 After Executing Lines 000190 and 000200 |
| 5-33 |
Transactions and Quiet Points |
| 6-1 |
Using the COMMIT Statement |
| 6-2 |
Occurrences of the RESPONSIBLE_FOR Set Type |
| 6-3 |
Modifying Members of Sorted Sets |
| 6-4 |
After Modifying MEMBER_B and Using RETAINING |
| 6-5 |
Occurrence Diagram Prior to RECONNECT |
| 6-6 |
Occurrence Diagram After RECONNECT |
| 6-7 |
Results of an ERASE ALL |
| 6-8 |
Results of an ERASE Record-Name (with Both OPTIONAL and FIXED Retention Classes) |
| 6-9 |
Record Locking |
| 6-10 |
Using FIND NEXT and FETCH NEXT Loops |
| 7-1 |
Split Screen After FETCH FIRST PART USING PART_ID |
| 7-2 |
Split Screen After FETCH NEXT WITHIN PART_SUPPLY |
| 7-3 |
Split Screen After MODIFY SUP_RATING |
| 7-4 |
Split Screen After FETCH OWNER WITHIN VENDOR_SUPPLY |
| 7-5 |
Split Screen After FETCH CURRENT PART RETAINING PART_SUPPLY |
| 7-6 |
Split Screen After FETCH NEXT WITHIN PART_SUPPLY |
| 7-7 |
Split Screen After FETCH 2 WITHIN PART_SUPPLY |
| Tables |
| 2-1 |
COBOL Database-Related User-Defined Words |
| 3-1 |
HP COBOL and DDL Utility Data Type Equivalences |
| 4-1 |
Types of COBOL Statements |
| 4-2 |
Contents of COBOL Sentences |
