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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.
Find the account numbers of all customers whose balance is more than 10,000 $
Effects of NULL for UNIQUE Specification When a UNIQUE specification u for base table t includes a column c that is not subject to a NOT NULL constraint, the appearance of sev
(a) What are decision support systems, and what role do they play in the business environment? (b) Data warehousing is defined as "a subject-oriented, integrated, non-volatile c
Expressions An expression is a randomly complex combination of the constants, variables, literals, operators, & function calls. The simplest expression is the single variabl
1. Create a procedure called TAX_COST_SP to accomplish the tax calculation task. Keep in mind that the state and subtotal values are inputs into the procedure and the procedure is
Providing Results of Queries Expressing queries in SQL is the (big) subject. Here I present just a simple example to give you the flavour of things to come in those chapters.
IN Operator The operator IN tests the set membership. This means "equal to any member of." The set may have nulls, but they are ignored. For illustration, the statement below do
Identifiers You use identifiers to name the PL/SQL program items and units that include constants, variables, cursors, exceptions, cursor variables, subprograms, and packages.
Cause of Indeterminacy in SQL One root cause of indeterminacy in SQL lies in its implementation of comparison for equality. For certain system-defined types it is possible for
Methods: In normal, a method is a subprogram declared in an object type specification using the keyword MEMBER or STATIC. The method cannot have similar name as the object typ
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