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Perform the following queries on the Hospital1.DB using SQL Anywhere (START EARLY!).a. Which patients have purchased the drug "Tylenol"? List the names and addresses. Arrange them in descending order of patient name.b. List the physician names and the number of visits supervised by each physician. Arrange them in descending order of number of visits.c. List the Phy# and names of all physicians whose name starts with the letter "M."d. List the names, addresses and phone#s of patients living in Fremont or San Jose. Arrange them in ascending order of the zip.e. List the Drug# and description of drugs that have not been prescribed. Arrange them in ascending order of description.f. How many patients are there in the database? Give the count.g. List Visit#, PatID, Phy#, Drug#, Qnty and Amount. Calculate Amount as Price*Qnty.
Parameter and Keyword Description: table_reference: This identifies a table or view which should be available when you execute the INSERT statement, and for that you sho
Parameter & Keyword Description: function_name: The user-defined function is identifying by that keyword. parameter_name: This identifies the formal parameter that
Updating a Variable Assignment of an attribute value in a variable of a structured type Synatx: SET SN.C = 'S2'; As in Example the entire statement is equivalent to a
Package STANDARD The package named STANDARD defines the PL/SQL atmosphere. The package specification globally declares the exceptions, types, and subprograms that are available
Declaring and Initializing Objects: An object type is once defined and installed in the schema; you can use it to declare the objects in any PL/SQL, subprogram, block or packa
Brewbean's is implementing a new discount for return shoppers - every fifth completed order receives a 10% discount. The count of orders for a shopper is placed in a packaged varia
In Packages The Forward declarations also group logically related subprograms in the package. The subprogram specifications go in the package specification, & the subprogram b
Updating Objects: To change the attributes of objects in an object table, you can use the UPDATE statement, as the illustration below shows: BEGIN UPDATE persons p SET p
Boolean Values Only the values TRUE, FALSE, & NULL can be assigned to a Boolean variable. For illustration, given the declaration DECLARE done BOOLEAN; the following statements
Using %ROWTYPE The %ROWTYPE attribute gives a record type which represents a row in a table (or view). The record can store the whole row of data selected from the table or fetc
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