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IBM DB400 Interview Questions

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Q.1 how to implement the commitment control. 2.how to control commitment control from external program.

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Hi, Please give the answer to this question? I have Phisical file with 100 records,there is no any duplicate records in this pf.Based on this pf one Logical file i have used.But this lf is viewing only 80 records only of that pf?What is the reason for this?Please give me answer?

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1. How can I create a LF using crtlf command based on a particular member in a multimember PF? Where I have to specify the member name? 2. How to differentiate between the types of join from a Join logical file DDS. Is it possible to have different types of Join Logical files? 3.Any performance difference between Opnqrf and Embedded SQL? When I should prefer Opnqryf and when SQL? 4. I know access path is the path chosen by the program to retrieve data. It can be of keyed access path or arrival sequence. *IMMED- *IMMED description says access path is updated each time record is added or deleted from a member. - What is updating here? *REBLD - The access path is completely rebuilt each time a file member is opened. The access path is maintained until the member is closed, then the access path is deleted. - I am not able to understand this completely. Could anyone explain these more clearly? 5.What is the purpose of using activation group. I know it is a resource allocator, but other than this any other benefits of using an activation group?

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Un-Answered Questions

What is a faceless component?

299

How do you sort in ascending order in java?

880

What is the connection between hadoop and big data?

511

Which type does string inherit from?

1111

In my bash shell I want my prompt to be of format '$"present working directory":"hostname"> and load a file containing a list of user-defined functions as soon as I log in, how will you automate this?

1152

Where are powerpoint themes stored?

391

What is singleordefault c#?

913

How do we control row-level access in hana?

What will be the initial value of an object reference which is defined as an instance variable?

1155

WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

2214

Tell something about Public Finance?

999

Why is UML used?

1065

Protactinium-231 emits alpha particles. How can this property be utilized in radiation detectors or other scientific instruments?

634

Explain load alternative records / rows into multiple targets - informatica

1157

How many sockets can a port have?

866