Can we process 1 GB data(1 million records) by using Lookup? How
Latest Answer: I will suggest you to use Join instead of Lookup for such voluminous data ...
In Abinitio which type of indexes used?
Latest Answer: There is as such no concept of indexing in Ab Initio, since it is a code based ETL tool. Indexes come into picture on the database table side. But there is something called "output indexing" in Ab Initio, which is carried out using a reformat. Suppose ...
What is Standarad Environment? What it contains?
Latest Answer: standard environment is the ab initio environment that has more then one private project and also other public project , in addition to the required environment project.Private project is one which not accessible to the oter projects that is like one ...
Latest Answer: as explained in above answer that when two or more processes are requesting for one singel resource , that time deadlock can occur.in Ab initio deadlock is avoided by using phasing and also by using the resource pool. ...
Latest Answer: Main paths in Ab initio environment are AB_HOME , specifiec the directory where the co>operating system is installed. This need only be set for those hosts for which the installation directory is different from that on the run host.This is very useful ...
Latest Answer: When you deploy an Ab Initio graph it becomes a ksh script saved in Run directory.Wrapper is another Unix script which calls the above mentioned deployed script.It might also be use to handle other functionalities together with execution of graph. ...
Latest Answer: Multistage component are nothing but the transform component where the records are transformed into five stages like input selection , temporary records initialisation , processing , finalization and output selection.examples of multistage components ...
Latest Answer: dynamic DML is used if the input metadata can change i.e. suppose at different time different input files are recieved for processing which have different dml.in that case we can use flag in the dml and the flag is first read in the input file recieved ...
whats the difference and explain about usage?
Latest Answer: fan in : fan in flow connects a component with a greater depth of parallelism to one with lesser depth thati s it folls a many to one pattern. example departition component.fan out : fan out is opposite of fan out example component is partition component. ...
Latest Answer: pipeline Parallelism occurs when the several connected progrm components on the same branch of graph executes simultanteously. if you are using a sort component the pipeline parallelism does not occur.Dataparallelism : it occurs when program components ...
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