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 Related Questions Data Modelling is Broadly classified into 2 types. a) E-R Diagrams (Entity - Relatioships). b) Dimensional Modelling. Latest Answer : Dimension modelling means to define a datawarehouse architecture using any one of the availabale schemadimensionl modelling are 3 types 1. conceptual model 2. logical model3.physical modelconceptual model: gathering of all the requirementslogical ... Surrogate Key is a Primary Key for a Dimension table. Most importance of using it is it is independent of underlying database. i.e Surrogate Key is not affected by the changes going on with a database. Latest Answer : surrogate key is nothing but a primary key,it gives a serial no. to all records.surrogate key is act's as a major role in type 2 scenario.if u have any updates to be applied on a database it will be directely effected on datawarehouse part(using surrogate ... Data in a Database is a) Detailed or Transactional b) Both Readable and Writable. c) Current. Latest Answer : Database data is in the form of OLTP and Data warehouse data will be in the form of OLAP. OLTP is for transactional process and OLAP is for Analysis purpose. ... Fact table - Table with Collection of Foreign Keys corresponding to the Primary Keys in Dimensional table. Consists of fields with numeric values. Dimension table - Table with Unique Primary Key. Load Latest Answer : __________________ _______________ ________________|_________________| |______________ ... Stage Variable - An intermediate processing variable that retains value during read and doesnt pass the value into target column. Derivation - Expression that specifies value to be passed on to the target Latest Answer : all r correct one only ... By using "ExcecSH" command at Before/After job properties. Latest Answer : You can specify the ExecDos Prompt in the after or before job routine. ... Link Partitioner : It actually splits data into various partitions or data flows using various partition methods . Link Collector : It collects the data coming from partitions, merges it into a single Latest Answer : server jobs mainly execute the jobs in sequential fashion,the ipc stage as well as link partioner and link collector will simulate the parllel mode of execution over the sever jobs having single cpu Link Partitioner : It receives data on a single input ... Latest Answer : This is how it can be doneDefine the xml file path in the administrator
Under environmental parameters, import the xml file metadata in the designer repository.Use a transformer stage (without an input link)Â to get this path in the server job.Use the ... Always parameterized the job. Either the values are coming from Job Properties or from a ‘Parameter Manager’ – a third part tool. There is no way you will hard–code some parameters Latest Answer : hi please send me some real time questions in datastage for interview.i have interview on sunday for accenturehow do u implement rank in datastage os: windows ... 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. ...
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