Answer Posted / techy

Sameple Data Base Descriptor Generator :

PRINT NOGEN
DBD NAME=VENDOR,ACCESS=HDAM
DATASET DD1=VEND,DEVICE=3380
SEGM NAME=VENSEG,PARENT=0,BYTES=10
FIELD NAME=(VENCODE,SEQ,U),BYTES=10,START=1,TYPE=C
SEGM NAME=ITEMSEG,PARENT=VENSEG,BYTES=5
FIELD NAME=(ITEMCODE,SEQ,U),BYTES=5,START=1,TYPE=C
SEGM NAME=LOCNSEG,PARENT=ITEMSEG,BYTES=9
FIELD NAME=(LOCNCODE,SEQ),BYTES=3,START=1,TYPE=C
FIELD NAME=ORDDATE,BYTES=6,START=4,TYPE=C
DBDGEN
FINISH
END

What are the advantages and disadvantages of a hierarchical database?

1098

---

Define psb?

1031

---

What is the maximum of key fields and search fields allowed in a segment?

960

---

What are the advantages of a hierarchical database?

3221

---

Explain acbgen process?

1049

---

What are the disadvantages of a hierarchical database?

3227

---

Explain psbgen process?

1119

---

What are the processing modes available in ims db?

1042

---

What is the maximum number of levels allowed in ims db?

949

---

What is meant by bmp mode?

1011

---

What is ims (db/dc)?

987

---

Explain the maximum number of levels allowed in ims db?

3747

---

What is a segment in ims?

970

---

What is the advantage of dynamic generation of acb?

908

---

How many root segments do we have per database record?

1008

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