Ab Initio Interview Questions And Answers
Ab Initio Data Warehousing Interview Questions and Answers will guide us now that the Ab Initio software is a suite of products which together provide a platform for data processing applications. The Core Ab Initio products are:
The Component Library
Graphical Development Environment
So get preparation for the job of Ab Initio by the help of this Ab Initio Data Warehousing Interview Questions with Answers guide
1 ► What does dependency analysis mean in Ab Initio?
2 ► When using multiple DML statements to perform a single unit of work, is it preferable to use implicit or explicit transactions, and why?
3 ► Describe the Grant/Revoke DDL facility and how it is implemented?
4 ► What is the difference between rollup and scan?
5 ► Describe the elements you would review to ensure multiple scheduled batch jobs do not collide with each other?
6 ► How can i run the 2 GUI merge files?
7 ► Describe how you would ensure that database object definitions (Tables, Indices, Constraints, Triggers, Users, Logins, Connection Options, and Server Options etc) are consistent and repeatable between multiple database instances (i.e.: a test and production copy of a database)?
8 ► How would you find out whether a SQL query is using the indices you expect?
9 ► How to create repository in abinitio for stand alone system(LOCAL NT)?
10 ► When running a stored procedure definition script how would you guarantee the definition could be rolled back in the event of problems?
11 ► Explain the difference between the truncate and delete commands?
12 ► Describe the process steps you would perform when defragmenting a data table. This table contains mission critical data?
13 ► How can you force the optimizer to use a particular index?
14 ► What is a cursor? Within a cursor, how would you update fields on the row just fetched?
15 ► Why might you create a stored procedure with the with recompile option?
16 ► What is the purpose of having stored procedures in a database?
17 ► What are Cartesian joins?
18 ► What is an outer join?
19 ► What are primary keys and foreign keys?
20 ► Have you used rollup component? Describe how?
21 ► How do you convert 4-way MFS to 8-way mfs?
22 ► What is AB_LOCAL expression where do you use it in ab-initio?
23 ► What is the latest version that is available in Ab-initio?
24 ► What is $mpjret? Where it is used in ab-initio?
25 ► I am unable to connect sever database(oracle) from GDE(db config file) local system.i set all these?
26 ► What is the Difference between DML Expression and XFR Expression?
27 ► How Does MAXCORE works?
28 ► What is the syntax of m_dump command?
29 ► Can anyone give me an exaple of realtime start script in the graph?
30 ► What are differences between different GDE versions(1.10,1.11,1.12,1.13and 1.15)?What are differences between different versions of Co-op?
31 ► How to run the graph without GDE?
32 ► What is local and formal parameter?
33 ► What is BRODCASTING and REPLICATE?
34 ► What is the importance of EME in abinitio?
35 ► What is m_dump?
36 ► What is the difference between a Scan component and a RollUp component?
37 ► What is skew and skew measurement?
38 ► How to get DML using Utilities in UNIX?
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