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Print to screen the 'below average' if minimum unit_cost is <10 for product with prod_id = 145, and print 'above average' for if minimum unit_cost is >10 for the same product (use sh.costs table)
2- Create maxProds table as follow
CREATE TABLE maxProds
(ProdName VARCHAR(64),
MaxUnitPrice NUMBER(6,2),
TotQuantSold NUMBER(6));
Then insert into it Product name, the maximum Unit_Price, and the total Quantity_sold for the product with Prod_ID = 14. Use sh.Products, sh.Sales, and sh.Costs tables get the information
What about giving same name to attributes which are in different tables but are not same? For instance, "Description" in both a Course table and a Classroom table.
List the courses (D-code and C-no), along with the names of the students who are currently taking them. List all the courses (D-code and C-no) that John (i.e., S-Name=''John'') got 'A' grade.
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
What actions does a referential integrity constraint prevent from occurring when data is inserted in a table that contains this constraint?
Is software measurement equivalent to software metrics? What makes them different?
Examples for small n are given bellow, where a small square box represents an unsuccessful search. Prove that leaves of any binary search tree are located in the bottom two levels.
Draw an E-R Diagram and draw an E-R Diagram for Student Information System.
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
Describe relationships with example. Also illustrate degree of relationship for that example. What do you mean by locks. Write dow a binary lock function.
Artificially small example of B+ tree is shown here (pdf). (Note only part of tree is shown in detail.) What nodes of example B+ tree are visited to find posting list for "dune"?
You have been requested to give preliminary information on the data requirements for a GIS which is to be used to hold inventory of continental scale vegetation maps for coarse scale land surface
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