Question: execute the following SQL and draw the query tree. explain what kinds of joint operations are used in the query tree this is the table

execute the following SQL and draw the query tree. explain what kinds of joint operations are used in the query tree

execute the following SQL and draw the query tree. explain what kinds

this is the table used

of joint operations are used in the query tree this is the

table used 3. (5 points) Execute the following SQL and draw the

query tree. Explain what kinds of join operations are used in the

query tree SELECT E.fname, W.hours, P.plocation FROM employee E, works on W,

3. (5 points) Execute the following SQL and draw the query tree. Explain what kinds of join operations are used in the query tree SELECT E.fname, W.hours, P.plocation FROM employee E, works on W, project P WHERE W.pno P.pno AND E.essn W.essn AND E.fname 'Alex

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