Bit Data - 32 bits (OpenVMS)
Command Modules
length of name - 39 characters
number of nested levels of Control Statements - 100,00
number of lines - 99,999
number per Library - limited only by system resources
Control Files
length of name - 39 characters
number per Data Set - 1
Data Base Libraries
length of name - 39 characters
number of files associated - limited only by system resources
Data Indexes
length of name - 39 characters
number of key fields - limited only by system resources
number of domains - limited only by system resources
number of records - limited only by system resources
Data Sets
length of name - 39 characters
length of record - 500,000 characters
number of records - limited only by system resources
number per Library - limited only by system resources
Fields: Data Set, Global Storage, and Working Storage
length of name - 39 characters
length by data type - see Table 23
number per record - 4,000
occurrences per field per dimension - 50,000 by 50,000 by 50,000
(may be limited by maximum record size, system resources)
size of a Global or Declared storage area - 291,270 characters
Find Subsets
length of name - 39 characters
number per Data Set - limited only by system resources
Global Storage Definitions
length of name - 39 characters
number of records - 1
number of fields - 4,000
number per DBL - limited only by system resources
Line Length (controlled by @TERM.LINE)
input (statement, command) - 4095 characters
output (reports) - terminal dependent
Process Modules
length of name - 39 characters
number of auxiliary Data Sets - 100
number of nested levels of Control Statements - 100,000
number of report file destinations - 10
number of lines - 99,999
number per Library - limited only by system resources
Schema Definitions
length of name - 39 characters
number of record types per SD - 511
number of fields and secondary fields - 4,000**
number per Library - limited only by system resources
String Literals 1000 characters
concatenated string data - limited only by system resources
System Fields
user storage fields
@INTEGER - length for each of 25 occurrences - 10 integers
@NUMBER - length for each of 25 occurrences - 10 Digits
@STRING - length for each of 25 occurrences - 20 characters
@VDATE - 25 occurrences
@COMMAND - 150 characters
all others - see chapter 11
**Maximum is reduced if field definition contains any of the following clauses: VALID, OCCURS, TITLE, PP, IE, OE, or USE VALUES.
Table 23 Data Type Maxima
|
Type |
Magnitude |
Accuracy |
Field Width |
|
C, A |
NA |
exact |
30,000 |
|
I |
+ 2, 147,483,647 (OpenVMS) |
9 digits of precision |
11 |
|
N |
+1.7E38 (OpenVMS) |
16 digits of precision |
21 |
|
V |
+1.7E38 (OpenVMS) |
16 digits of precision |
20 |
|
D |
01/01/1900 to 12/31/2999 |
|
6 |
|
F |
01/01/1900 to 12/31/2999 |
|
8 |
|
R |
+1.7E38 |
7 digits of precision |
11 |
|
BB |
per defined width (2^n) - 1 (OpenVMS) |
depends on defined width |
32 |
|
SB |
per defined width @ABS 2^(n - 1) - 1 (OpenVMS) |
depends on defined width |
32 |