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Q1 (C);Q2 (A);Q3>>>> IT HAS TO BE LIKE THIS;i)) Show the initial query tree which is a direct translation of the given relational algebra ex-;pression. Please note that your tree should be similar to the tree in Figure 19.4 (a);ii Show the nal, more ecient query tree you will get after you have applied the dierent;transformations. Please note that you just have to show the nal tree and not the inter-;mediate steps i.e. you only have to show a nal tree similar to Elmasri Figure 19.5 (e);u have the book u can see those fiugres 19.5 (e) and Figure 19.4 (a) to do the same;thank u

 

Paper#69542 | Written in 18-Jul-2015

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