Answer / mr. cooooool

Hi....................

Vsam is a collections of 4 types of files(KSDS,ESDS,RRDS,LDS)
which can be accessed Sequentialy,Randomly & Dynamicaly.

While Dataset can be a Type of VSAM, QSAM OR NON-VSAM.


THANKS.

Answer / mahesh

data sets are two types
1 vsam data sets
2 normal datasets
vsam data sets are called asa clusters here records are
saved in the control intervals(CI)
but in normal data sets records are entered in blocks

what will happen when you try to open an empty vsam file in a cobol program for input?

0 Answers   IBM,

---

how to see the last records in vsam dataset??

1 Answers  

---

how can we convert esds to lds?

2 Answers  

---

In vsam at the cluster creation for KSDS FREESPACE parameter is required but for ESDS FREESPACE parameter is not required ?

4 Answers   IBM,

---

What is the difference between PS file and VSAM file?

7 Answers   IBM, Infosys, Verizon,

---

Would you specify FREESPACE for an ESDS?

1 Answers  

---

why ci and ca splits are not possible in esds and rrds?

0 Answers   IBM,

---

In the COBOL SELECT statement for a KSDS what are the three possibilities for ACCESS?

3 Answers  

---

explain how do you define a gdg in vsam?

0 Answers   IBM,

---

What is a ci split? What is a ca split?

0 Answers  

---

What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?

1 Answers  

---

what is the difference between vsam and dataset how do u create vsam dataset which file you r used?

2 Answers   Fidelity,

---