 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 : Primary Key does not allow data duplications for actual source data. We cannot maintain historical data of each record using PK.SID acts as a primary key in target WH systems, that allows data duplications and maintains complete historical data along ... 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 : __________________ _______________ ________________|_________________| |______________ ... Orchestrate itself is an ETL tool with extensive parallel processing capabilities and running on UNIX platform. Datastage used Orchestrate with Datastage XE (Beta version of 6.0) to incorporate the parallel Using "dsjob" command as follows. dsjob -run -jobstatus projectname jobname Latest Answer : u can use dsjob executable command from unix or command line.The previous post was correct.Hanu. ... 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 ... 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 ... By using "ExcecSH" command at Before/After job properties. Latest Answer : You can specify the ExecDos Prompt in the after or before job routine. ... Parallel Processing is broadly classified into 2 types. a) SMP - Symmetrical Multi Processing. b) MPP - Massive Parallel Processing. Latest Answer : Hardware wise there are 3 types of parallel processing systems available:1. SMP (symetric multiprocessing: multiple CPUs, shared memory, single OS)2. MPP (Massively Parallel Processing Systems: multiple CPUs each having a personal set of resources - ...
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