tab1 tab2
1,a 1,d
2,b 3,c
perfoms outerjoin what is the o/p?
write sql query for outerjoin?
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1)How will u implement SCD2 by using surrogate key. 2)What are the disadvantages with surrogate key. 3)How will you handle nulls in your project for the varchar, integer data types. 4)Can I use two fact tables in star schema. 5)3 jobs are running on the 2 nodes after I added one more node so can I compile those jobs to run on three nodes.
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in oracle target stage when we use load option and when we use upsert option?
