To enter Vendors and Expenses transactions: From the Navigation Bar, select Customers From the Navigation Bar, select Expenses > New Transaction From the Gear icon, select Vendors From the Gear icon, select Expense Transactions
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- Perform the following tasks: a. Create an index named ITEM_INDEX1 on the ITEM_NUM column in the ORDER_LINEtable. b. Create an index named ITEM_INDEX2 on the CATEGORY column in the ITEMtable. c. Create an index named ITEM_INDEX3 on the CATEGORY and STOREHOUSE columnsin the ITEM table. d. Create an index named ITEM_INDEX4 on the CATEGORY and STOREHOUSEcolumns in the ITEM table. List categories in descending order.Which type of constraint should you use to ensure that every book has a profit margin between 15% and 25%?Which type of constraint can be used to make certain the category for a book is included when a new book is added to inventory?
- When must a comma be used in the SELECT clause of a query? a. when a field name is followed by a column alias b. to separate the SELECT clause and the FROM clause when only one field is selected c. Its never used in the SELECT clause. d. when listing more than one field name and the fields arent concatenated e. when an arithmetic expression is included in the SELECT clauseTable name: Products Column Role Data Type Length Constraint Name P ID Stores the ID of a product Number 8. Primary key P Name Stores the name of a product Varchar2 25 P_entryDate Stores the entry date of a product Stores the expiry date of a product Date Cannot be null P_Expiry P Expiry date should be greater than P entryDate Date P Price Stores the price of a product Number 3,2 Cannot be null a) Write in SQL a command that creates the table Products according to the above description (2 marks). b) Write in SQL a statement that adds to the table Products a new column named supplierID of type Number(5). This column should be defined as a foreign key that relates the table Products to the table Supplier (1.5 marks). c) Write in SQL a query that lists all the details of products arranged in descending order according to the entry date (1.5 marks).Examine this product table's column definitions:pid number primary keypname varchar2(50)You must display column headings as shown:Product_ID Product NameWhich SELECT statement does this? SELECT pid Product_ID, pname Product Name FROM product; SELECT pid Product_ID, pname "Product Name" FROM product; SELECT pid @Product_ID, pname @"Product Name" FROM product; SELECT pid AS Product_ID, pname AS Product Name FROM product
- Write a SELECT statement that will return the distinctproductid and productname from the products table. Jointhis to the suppliers table and join on supplierid. Also join theOrder Details where the productid is equal. We will obtainthe productid from a subquery on order details when theproductid is greater than one. Order by productname andproductid. (This will return 76 rows)Customers (cNo, cName, cSurname, cCity, cPhone, CDOB, saleRepld) saleRepld: references Salespersons(sNo) Salespersons (sNo, sName, sSurname, sCity, sDepartment, sSalary, sPhone, sHiredate) Which of the following queries displays salespersons working in departments 20, 30 or 50 in alphabetical order by surname? Select one: a.SELECT * from Salespersons WHERE SDepartment in (20,30,50) ORDER BY sSurname asc; b.SELECT * from Salespersons WHERE sDepartment = 20,30,50 ORDER BY sSurname asc; c.SELECT * from Salespersons WHERE sDepartment in (20,30,50) ORDER BY sSurname desc; d.SELECT * from Salespersons WHERE SDepartment between 20 and 50 GROUP BY sSurname asc;WEEK 9 ASSIGNMENT#6 Part II: Complete the following exercise: Using a subquery, select student first name where the student is in the student course table. Using a subquery, select the course id where the average GPA is 2. Using a subquery, select the course id where the average GPA is greater than 2. Using a subquery, select student first name where the student is not in the student course t
- SQL: Add a table-level PRIMARY KEY constraint to the EMPLOYEE table using the ID column. The constraint should be named at creation. (Which means you'll need to drop the table, then recreate.) Create a PRIMARY KEY constraint on the DEPARTMENT table using the ID column. The constraint should be named at creation. (Which means you'll need to drop the table, then recreate.) Add a foreign key reference on the EMPLOYEE table that will ensure that the employee is not assigned to a nonexistent department. Confirm that the constraints were added by querying USER_CONSTRAINTS. Note the types and names of the constraints and include them in your statement comments. Display the object names and types from the USER_OBJECTS data dictionary view for EMPLOYEE and DEPARTMENT tables. You will want to format the columns for readability. Provide comments that include the new tables and indexes created. Modify the EMPLOYEE table by adding a SALARY column of NUMBER data type, precision 7. Confirm…7. For each project, display project name, project platform, project cost and total number of student involved. Label the columns as ProjectName, ProjectPlatform, ProjectCost and TotalStudentInvolved respectively. Order the query in ascending order by ProiectName. SQL statements:8. In the OrderItems table, display the minimum item_price with the alias shown. 2.49 1 rows returned in 0.01 seconds Download Min Item Price