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SELECT DISTINCT CMDclient.'Client Code SCA' as GuestCode, CMDextras.ArrivalDate as arr, CMDextras.DepartureDate as dep, CMDapr.FirstName as fname, CMDapr.Surname as lname
FROM CMDclient
INNER JOIN CMDextras ON CMDclient.'Client Code CLMAIN'=CMDextras.GuestCode
INNER JOIN CMDapr ON CMDapr.GuestCode=CMDextras.GuestCode
LIMIT 0,20
put into query order by GuestCode asc and group by GuestCode?
Write a script that declares a variable and sets it to the count of all products in the Products table. If the count is greater than or equal to 7, the script should display a message that says,
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.
Write down SQL needed to create employee table containing the following data: employeeID, text, length of 5, primary key lastName, text, length of 25
Write SQL statement which creates stored procedure with one int input parameter. The stored procedure selects the supplierId field and the total of all Count field values for each group of supplierId's from the Part table.
Prepare the SQL query for each of given requirements. Convert requirement to logic, then to SQL. Illustrate the names of all products which have been sold.
Write a PL/SQL block that displays the last name and salary of the following people. Each of these can be done separately as PL/SQL, first to test and get the output lines then encapsulated in the procedure.
Write the statement which creates table named Part, with Id field as an int idendity PK, a SupplierId int field, a Description string field of size 25, a Count int field, a Class string field
Create a trigger named Products_INSERT that inserts the current date for the DateAdded column of the Products table if the value for that column is null. Test this trigger with an appropriate INSERT statement.
Write a script that creates and calls a stored procedure named spInsertCategory. First, code a statement that creates a procedure that adds a new row to the Categories table. To do that
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 PL/SQ block - Select the average salary of all employees in department number 20.
Write SQL statement which would select each of the following: names and owners of all Great Danes and all attributes of poodles whose balance is no greater than $50.
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