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Ab Initio Interview Questions
Questions Answers Views Company eMail

What do you mean by the term data warehousing?

169

Do you think effective communication is necessary for data processing?

165

Is data warehousing different from data mining?

166

How data is processed and what are the fundamentals of this approach?

186

How scientific data processing is different from commercial data processing?

155

What would be the next step after collecting the data?

210

Give one reason when you need to consider multiple data processing?

161

We know rollup component in abinitio is used to summarize a group of data record then why do we use aggregation?

210

Have you ever encountered an error called “depth not equal”?

163

Describe the process steps you would perform when defragmenting a data table. Does this table contain mission-critical data?

164

What do you mean by a transaction file?

175

Difference between informatica vs ab initio?

158

How transaction file different from that of a sort file?

208

Mention what is abinitio?

171

Can someone tell me the behaviour of next_in_sequence() and innovation_number() in a multifile. Suppose I have records 1,1,1,2,2,3,4,4 in a 4ways mfs file. Data in each partition is: 0th : 1,1,1 1st : 2,2 3rd : 3 4th : 4,4 What will be the sequence of these records if I pass next_in_sequence() and innovation_number() ? Also how can I extract 3rd record from each of the 4 partitions of a 4way multifile through AbInitio? In unix we can use m_dump

88


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Un-Answered Questions { Ab Initio }

Describe in detail about lookup?

176


Explain about ab initio’s dependency analysis?

208


Mention what the difference between “look-up” file and “look is up” in abinitio?

179


How do you convert 4-way mfs to 8-way mfs?

221


What do you mean by a transaction file and how it is different from that of a sort file?

174






What is abinitio?

184


can we perform checkin and checkout through sandbox?

172


What are the steps to create a repository in ab initio?

162


Name the different type of processing based on the steps that you know about?

154


How can you export a component’s internal parameters ?

1487


What is broadcasting and replicate?

169


Describe the process steps you would perform when defragmenting a data table. Does this table contain mission-critical data?

164


How would you find out whether a sql query is using the indices you expect?

174


What is the difference between look-up file and look-up, with a relevant example?

187


Can you explain the co>operating system’s processing model?

156