Columns
1 libname char 8 Library Name
2 memname char 32 Member Name
3 memtype char 8 Member Type
4 name char 32 Column Name
5 type char 4 Column Type
6 length num 8 Column Length
7 npos num 8 Column Position
8 varnum num 8 Column Number in Table
9 label char 256 Column Label
10 format char 49 Column Format
11 informat char 49 Column Informat
12 idxusage char 9 Column Index Type
13 sortedby num 8 Order in Key Sequence
14 xtype char 12 Extended Type
15 notnull char 3 Not NULL?
16 precision num 8 Precision
17 scale num 8 Scale
18 transcode char 3 Transcoded?