Question
create two tables containing data with at least 4 columns and 4 rows of data each that are union-compatible. Be sure that at least one
create two tables containing data with at least 4 columns and 4 rows of data each that are union-compatible. Be sure that at least one row (but not all rows) in the first table is identical to a row in the second table. Use these two tables to illustrate the Union relational operator, than the Difference relational operator.
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Database Systems For Advanced Applications 18th International Conference Dasfaa 2013 Wuhan China April 22 25 2013 Proceedings Part 2 Lncs 7826
Authors: Weiyi Meng ,Ling Feng ,Stephane Bressan ,Werner Winiwarter ,Wei Song
2013th Edition
3642374492, 978-3642374494
