Latest Answer : What do you mean by record size? Are you asking about physical terms or logical? I can't say about current vsam but at one time the records were 512,1024,2048, and 4096. CIs which are the logical record could read multiple records and present them ...
While designing vsam files,what's the best way to choose control interval size for the data and the index?
Latest Answer : Average record length is the sub parameter of record size, which need to be defined while defining the vsamfile. This sub parameter has a value which is less than or equal to another sub parameter of record size, the maximum record length. For a ...
Latest Answer : aix is nothing but a file by which we can featch a records by using a key other than primary key. ...
For accessing a VSAM cluster sequentially, STARTBR, READNEXT, ENDBR commands are used. Suppose the VSAM cluster is sorted on the basis of a field (lets say age) and using STARTBR pointer is positioned on the record with name 'brijesh'. By using READNEXT that record is read. Now if i again use READNEXT, next record will be read(which could be the record with name other than 'brijesh'). If I want to read the next record with the same name (i.e. brijesh), whether RESETBR will be
(i) The ISPF panel or a standard JCL is used for creation of a NON VSAM dataset. The AMS program is used to create the VSAM files. (ii) The information about the Non-VSAM files is stored as dataset labels
Latest Answer : To retrieve record from flat file you can use IDCAMS utility with REPRO command and can copy the data into either a VSAM data set or another flat file ...
Latest Answer : Corruption can happen in many ways. The dataset itself may be dirty, which can cause S0C7 abends in poorly written programs.CA/CI's can be corrupted, which may lead to S0C4 or Sx13 abends.Can you be more specific? The remedy is very different depending ...
- whether record size is (5+alternate key length+n*pmy key length ) or (5+pmy key length + n*alternate key length) where 'n' is the no. of duplicate alternate keys.
Latest Answer : Ya, moving low-values and high-values to key, points to the first and last records respectively. If you want to process the records of a VSAM file sequentially, use the START command.. Point the key to the first record and then read it like a normal ...
