In this video, we discuss how to combine two or more similar tables vertically without getting duplicate records(Removing duplicate records).
Union operator is used to join two or more tables vertically by column position not by column name, so common column in each select statement must be in the same order. It joins table vertically removing duplicate records.
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Presented by: Dhruba Joshi
Негізгі бет How does union operator work in proc sql/How to Join two tables vertically without duplicate rcs?
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