Hashed File is classified broadly into 2 types. a) Static - Sub divided into 17 types based on Primary Key Pattern. b) Dynamic - sub divided into 2 types i) Generic ii)
Latest Answer : Hashed File is classified broadly into 2 types. a) Static - Sub divided into 17 types based on Primary Key Pattern. b) Dynamic - sub divided into 2 types i) Generic ii) Specific. Default Hased file is "Dynamic ...
Config file consists of the following. a) Number of Processes or Nodes. b) Actual Disk Storage Location.
Latest Answer : Biggest strength of Datastage PX is its configuration file.. Datastage engine learns about size and shape of the system by reading configuration file.It contains Nodes and resource available for running the job. ...
In a Hashed File, the size of the file keeps changing randomly. If the size of the file increases it is called as "Modulus". If the size of the file decreases it is called as "Splitting".
Latest Answer : The modulus size can be increased by contacting your Unix Admin. ...
Have you ever involved in updating the DS versions like DS 5.X, if so tell us some the steps you have taken in doing so?
Yes. The following are some of the steps; I have taken in doing so:1) Definitely take a back up of the whole project(s) by exporting the project as a .dsx file2) See that you are using the same parent
Used for Look-ups. It is like a reference table. It is also used in-place of ODBC, OCI tables for better performance.
Latest Answer : We can also use the Hash File stage to avoid / remove dupilcate rowsby specifying the hash key on a particular fileld ...
As the names itself suggest what they mean. In general we use Type-30 dynamic Hash files. The Data file has a default size of 2Gb and the overflow file is used if the data exceeds the 2GB size.
Latest Answer : good explanation. ...
What are other Performance tunings you have done in your last project to increase the performance of slowly running jobs?
Staged the data coming from ODBC/OCI/DB2UDB stages or any database on the server using Hash/Sequential files for optimum performance also for data recovery in case job aborts.Tuned the OCI stage for 'Array
What will you in a situation where somebody wants to send you a file and use that file as an input or reference and then run job.
A. Under Windows: Use the 'WaitForFileActivity' under the Sequencers and then run the job. May be you can schedule the sequencer around the time the file is expected to arrive.B. Under
Create a Excel spreadsheet with new and old names. Export the whole project as a dsx. Write a Perl program, which can do a simple rename of the strings looking up the Excel file. Then import the new dsx
Latest Answer : If you export the jobs in an XML file you can easily do a find and replace for anything using notepad. So if the standard for master is changed from mst to mstr you simply for a find and replace. Or if the jobs are jobnam_dev you and you need to ...
Latest Answer : 1. Hashfile can be used as lookup but not the seq file.2. Hashfile works based on Hashed algorithm.3. The performence is more in Hashfile when it is used as a ref link(for lkp)4. we can eliminate duplicates by selecting key value in server jobs.5. Must ...
