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How to select the primary key from the candidate keys? How do foreign keys relate to candidate keys? provide examples from either your workplace or class assignments
Describe the meaning of the keyword EXISTS. Describe how any and all relate to EXISTS and NOT EXISTS. Write a query which will display names of any customers who are interested in all artists.
Write a query to display the last name, department number, and salary of any employee whose department number and salary both match the department number and salary of any employee who earns a commission.
Write an SQL statement to produce a single column called ItemLocation that combines the SKU_Description,the phrase "is located in."
A column that uses the CAST function to return the DateAdded column with its full time only (hour, minutes, seconds, and milliseconds)
As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.
Produce a diagram showing schema and the partial and transitive dependencies in your 1NF. b. Produce a diagram showing table schema and any transitive dependencies in your 2NF
Write a script that creates and calls a function named fnDiscountPrice that calculates the discount price of an item in the OrderItems table (discount amount subtracted from item price). To do that, this function should accept one parameter for th..
Write given queries in SQL and relational algebra: Determine cities from which one can fly to Toronto with one change of planes, and using same type of the aircraft for both legs of trip.
Write down actors (or actress, your choice, but not both) who have won at least two (2) Academy Awards for best actor/actress. Provide the actor name, movie title & year. Order the result by actor name."
Write a SELECT statement that returns one row for each general ledger account number which contains three columns.
Write a PL/SQ block - Select the average salary of all employees in department number 20.
Write a SELECT statement that returns these columns from the Products table: The date_added column A column that uses the CAST function to return the date_added column with its date only (year, month, and day)
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