In reference, I have 8 columns. Only few required. I cannot take all the columns into tmap buffer. That's the reason, why I used tmap and also I'm filtering records based on few conditions(though can be implemented in tmap1 & tmap2).So I incorporated both functionalities in tmap3 & tmap4.
I am struggling with your job design. tMap_3 and tMap_4 have no output at all and therefore useless.
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