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 Related Questions 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 ... 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 : __________________ _______________ ________________|_________________| |______________ ... Primary Key is a combination of unique and not null. It can be a collection of key values called as composite primary key. Partition Key is a just a part of Primary Key. There are several methods of partition Latest Answer : Hi:Primary key is the key we define on the table column or set of columns(composite pk) to make sure all the rows in a table are unique.Partition key is the key that we use while partition the table(in database), process the source records in ETL(in the ... There are 3 types of views in Datastage Director a) Job View - Dates of Jobs Compiled. b) Log View - Status of Job last run c) Status View - Warning Messages, Event Messages, Program Generated Messages. Latest Answer : From what I know there are four views1> Status 2> Schedule3> Log4> Detail. ... A) Transformer, ORAOCI8/9, ODBC, Link-Partitioner, Link-Collector, Hash, ODBC, Aggregator, Sort. 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 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 Does the selection of 'Clear the table and Insert rows' in the ODBC stage send a Truncate statement to the DB or does it do some kind of Delete logic. There is no TRUNCATE on ODBC stages. It is Clear table blah blah and that is a delete from statement. On an OCI stage such as Oracle, you do have both Clear and Truncate options. They are radically different Scenario based Question ........... Suppose that 4 job control by the sequencer like (job 1, job 2, job 3, job 4 )if job 1 have 10,000 row ,after run the job only 5000 data has been loaded in target table remaining are not loaded and your job going to be aborted then.. How can short out the problem. Suppose job sequencer synchronies or control 4 job but job 1 have problem, in this condition should go director and check it what type of problem showing either data type problem, warning massage, job View Question | Asked by : Mukesh Kumar Madhav
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