Table structure Structure of records and tables
224 U929-J-Z125-9-76
8.2 Stru cture of tables Figure 58: Structure of tables
1
Key
RSQ
PPP or act key
Page index entry
Free space
Occupied space
Page header
3/6
4
20
8/12
8/12
Table header
Table line
Occupied space RSQ
PPP or act key
3/6
4
Record
No. of reserv.
lines
No. of occupied
lines
Chaining
next
page
prev. page
next higher
level
last
page
Chaining
Type
Level
Table line
21
29/33
2
3
1
2)
4)
2
1
3
3
3)
1)
3)
3
Page index entry