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MainFrame Interview Questions
Questions Answers Views Company eMail

What statistic will tell the DBA how must space can be reclaimed from dropped table spaces on the next reorg run?

1 4387

What are column-name qualifiers used?

1 4325

Explain transactions, commits and rollbacks in DB2.

3 8226

How is a typical DB2 batch program executed ?

1 6652

What information is held in SYSIBM.SYSCOPY?

1 5887

What DB2 Catalog column tell you when an index needs table reorganized ?

1 4745

When can an insert of a new primary key value threaten referential integrity?

Mind Tree,

2 7559

what are the max. & min. no. of partitions allowed in a partition tablespace?

IBM,

2 8999

what's the error code for Unique Index Violation?

2 8347

When do you use the IMAGECOPY?

4 8492

What do you mean by NOT NULL? When will you use it?

3 6566

When would you prefer to use VARCHAR?

3 7724

Explain an outer join?

1 5162

What is the maximum number of tables that can be stored on a Partitioned Table Space ?

IBM,

1 5903

What is REORG? When is it used?

4 10013


Un-Answered Questions { MainFrame }

What are the common tables in cics and their usage?

1030


Why do we code s9 (4) comp. Inspite of knowing comp-3 will occupy less space?

1166


why should SYSIN DD * statement should not be included inside a PROCedure snippet??? please answer this.. i need to know.

2467


Explain the contents that are a part of dclgen.

1104


What are the sub parameters for undo command?

1099


the maximum number of subfiles that can be active for a single file is ____ .

1882


Define a region in idms?

889


What are the utility programs in jcl?

1176


What are some uses of the evaluate statement?

965


how do you access an uncataloged dataset in a jcl?

1760


What is the comaera?

1269


What is the difference between oracle and db2?

1126


how to create a changeman read only audit and update only audit Specifications for the Read only Audit 1) Read HFFD database unqualified. 2) Read FDRT, FDDM, FDAP segments. If FDAP-APP-STS is ‘2’ read the FDAV segment and get the FDAV segment which has FDAV-APV-OPTION as ‘X’ If FDAP-APP-STS is ‘5’ read the HFAC database. Read the ACRT segment qualified based on the key obtained from the FDAP segment from HFFD database. Conditions for writing into output file: a. App Type should be NEWR b. App Status should be 1, 2 & 5. c. Write 50 records per app status. For e.g. first 50 records for App status 1, 2 & 5 each The output file should contain the following fields from the database FDRT-COMP-CTRY-CODE X(03). FDRT-CUST-ID-NUM X(10) FDDM-DEM-SEQ-NUM X(01) FDAP-APP-SEQ X(02) FDAP-JNT-IND X(01) FDAP-APP-STS X(01) FDAV-APV-OPTION X(01) FDAV-APV-DT X(06) FDAV-APV-AMT X(07) ACRT-ACCT-NUM X(06) ACRT-SEG-BUS-TYPE X(02) ACRT-NM1-LAST X(19) ACRT-NM1-SS X(09) ACRT-NM1-1ST X(12) ACRT-NM1-INIT X(01) ACRT-NM1-SFX X(03) ACRT-NM1-TITLE X(02) PSB – DVAN2BMP In case you get a GE for any of the conditions, write to output file along with the details of the database segment which was not found. We need to complete this whole process by tomorrow. Run the audit in DLI mode. 2) Sort the output file created in step 1 on Cust ID, Dem Seq & App Seq. Specifications for the Update Audit 3) Take the output of step 2 as input for an update audit. Details are as follows: Read each record & check the app status. If app status is less than 2 then update the FDAP-NEW- MONEY-ENT to $25000.00 PSB - AUDBMPJ The job would be a BMP job. The test job would be run in IMSE region. Note - The proc (which will be called by the job) and the job should also be present in the change-man package itself. You’ll have a test job in your PDS along with overrides to execute the program in test regions. The job would be a DLI job. The test job would be run in IMSE region. It’ll have the following steps. 1) Delete-define output and error files. 2) Use a copybook for the output layout.

3689


What are the two types of logging in the db2 database? Explain them.

1091


what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

1246