Data Definition Language (DDL) Reference Manual (G06.24+)

Contents

Data Definition Language (DDL) Reference Manual—426798-002

Glossary

Index

Figures

Figure 1-1. DDL Overview 1-2

Figure 1-2. Creating a Dictionary 1-5

Figure 1-3. Creating Database Files 1-7

Figure 1-4. Generating Source Code 1-9

Figure 1-5. Maintaining a Dictionary 1-11

Figure 1-6. Examining a Dictionary 1-13

Figure D-1. Sample Dictionary Schema for a Definition and a Record D-45

Figure D-2. Main Links Among Dictionary Files D-49

Figure E-1. Creating a Dictionary for DDSCHEMA E-4

Figure E-2. Running DDQUERYS to Produce Reports E-6

Tables

Table 2-1. DDL Special Characters 2-8

Table 2-2. DDL Statement Summary 2-12

Table 4-1. Values for Different Types of Numeric Constants 4-3

Table 5-1. File Attributes That Differ in DDL and FUP 5-23

Table 6-1. Definition and Record Clauses 6-1

Table 6-2. Display Format Examples 6-5

Table 6-3. Figurative Constants 6-17

Table 6-4. Symbolic Literals 6-18

Table 6-5. Lengths of TACL Data Types 6-45

Table 7-1. Token-Definition Statements 7-2

Table 7-2.

Structure of a Bit Map 7-24

Table 8-1.

Dictionary Manipulation Statements 8-1

Table 9-1. DDL Compiler Commands 9-1

Table 10-1. Dictionary File Extent Sizes 10-19

Table C-1. Sample DDL/C Data Translation Table C-2

Table C-2. Sample DDL/COBOL Data Translation Table C-4

Table C-3. Sample DDL/FORTRAN Data Translation Table C-6

Table C-4. Sample DDL/Pascal Data Translation Table C-8

Table C-5. Sample DDL/TACL Data Translation Table C-10

Table C-6. Sample DDL/TAL Data Translation Table C-12

Table D-1. Text IDs Assigned to Text Items D-3

Table D-2. Dictionary Files Built for a Source Schema D-3

Table D-3. STRUCTURE Codes D-21