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 DB2  |  Question 113 of 195    Print  
I'm looking out for some solution or website that can lead me to the following issues that i currently face. Could some one please help me out on these. Loading of ‘DB2 Unload with packed Decimal’ data to Oracle environment Loading of Cobol Data streams with HEX Character data to Oracle environment Are there any tools, mechanisms in Oracle or any other third party product? (Prefer an Oracle solution).

  
Total Answers and Comments: 0 Last Update: November 14, 2005     Asked by: Vaddadi 
  
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An access path is the method used to access data specified in DB2 sql statements.  

Normalization is a design procedure for representing data in tabular format. The five normal forms are progressive rules to represent the data with minimal redundancy.  

Joins, unions and nested selects are used to retrieve data.  
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DDL is data definition language and DML is data manipulation language. DDL statements are CREATE, ALTER, TRUNCATE. DML statements are SELECT, INSERT, DELETE and UPDATE.  
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A view is a virtual table made up of data from base tables and other views, but not stored separately.  
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The two parameters used in the CREATE statement are the PCTFREE which specifies the percentage of free space for each page and FREEPAGE which indicates the number of pages to be loaded with data between 

An alias is an alternative to a synonym, designed for a distributed environment to avoid having to use the location qualifier of a table or view. The alias is not dropped when the table is dropped.  
Latest Answer : An alias is a logical pointer to an alternate table name. The purpose of an alias is to resolve loops in the paths of joins. In some cases, more than one alias may be necessary for a given table.Cheers,Sithu ...

A LIKE table is created by using the LIKE parameter in a CREATE table statement. LIKE tables are typically created for a test environment from the production environment.  

The number of distinct values for a column is called index cardinality. DB2's RUNSTATS utility analyzes column value redundancy to determine whether to use a tablespace or index scan to search for 

The three data types are DATE, TIME and TIMESTAMP. CHAR can be used to specify the format of each type. The DAYS function calculates the number of days between two dates. (It's Y2K compliant). 
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