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  Metaprogramming in Abinitio 1. How to create output DML dynamically based in INPUT DML 2. How to create intermediate transform( XFR) dynamically based on INPUT DML      Please See my you tube video for explanation : PART 1 PART 2 For Example, let us say, we have an Input DML as below-: cat input.dml record string(",") name; decimal(",") age; decimal(",") salary; string(",") aadharid; date("yyyy-mm-dd")(",") joiningdate; string(",") mobileno=NULL; string(",") dlno=NULL; string(",") passportnumber=NULL; end; (1.1) prepare a new DML based on input DML i.e. add fields, remove fields, modify type Graph based parameters: ===================================================================== input_dml=$DIR/input.dml  [interpretation = constant] input_dml_info =$[read_type(input_dml)]   [interpretation = pdl] /* Define functions in AB_DML_DEFS */ AB_DML_DEFS= $[ out:: dynamic_dml_gen(input_dml_info)= beg...
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How to implement SCD type 2 in Abinitio

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SCD-type 2 in Abinitio | SCD type 2 in Abinitio | How to implement SCD type 2 in Abinitio Lets take an example dataset to understand the SCD type 2 in Abinitio. For example . we have an input dataset which is already loaded in as dimension table already. vehicle dimension dataset sk, veh_cd,     curr_driver,hist_driver,start_dt,         end_dt,             curr_flag 1, veh01, dr0,  dr0,            19000101000000,39991231235959,Y 2, veh02, dr1,  dr1,            19000101000000,39991231235959,Y 3, veh03, dr2,  dr2,           19000101000000,39991231235959,Y 4, veh04, dr3,  dr3,           19000101000000,39991231235959,Y 5, veh05, dr5,          dr4,           19000101000000,20210220235959,N 6, veh05, ...
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Abinitio Interview Question # 1 - Write Multiple Files in Abinitio

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 Question :  I get records of various region in huge volume ,  we want to write the records in region specific files.   How to achieve that? View the explanation in the below video: Answer: -WMF WMF: filename::get_filename(in)= begin let string("") l_filename=string_substring(in.data.region); filename::string_concat($AI_SERIAL,"/",l_filename.dat); end; out::reformat(in)= begin out::in.data; end; OUTPUT DML-: DML record string(int) filename; string(integer(4)) file_contents; end; RMF: filename::get_filename(in)= begin filename::string_concat($AI_SERIAL,"/",in.filename); end; out::reformat(read,filename,in)= begin out.file_contents::read; out.filename::filename; end; Please view my youtube channel  DataPundit
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