Bundle: Database Systems Design, Implementation, & Management, Loose-leaf Version, 13th + MindTapV2.0, 1 term Printed Access Card
13th Edition
ISBN: 9780357475188
Author: Coronel, Carlos, Morris, Steven
Publisher: Cengage Learning
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Chapter 3, Problem 9RQ
Program Plan Intro
Table:
A table is a logical structure that represents an entity state. It is one of the components of
Given Query: πstu_code(student)
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Chapter 3 Solutions
Bundle: Database Systems Design, Implementation, & Management, Loose-leaf Version, 13th + MindTapV2.0, 1 term Printed Access Card
Ch. 3 - What is the difference between a database and a...Ch. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - What are the requirements that two relations must...Ch. 3 - Which relational algebra operators can be applied...Ch. 3 - Explain why the data dictionary is sometimes...Ch. 3 - A database user manually notes that The file...Ch. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Use Figure Q3.13 to answer Questions 1317. FIGURE...Ch. 3 - Create the table that results from applying a...Ch. 3 - Write the relational algebra formula to apply an...Ch. 3 - Create the table that results from applying an...Ch. 3 - Using the tables in Figure Q3.13, create the table...Ch. 3 - Prob. 18RQCh. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Identify and describe the components of the table...Ch. 3 - Identify the primary keys. FIGURE Q3.22 THE...Ch. 3 - Identify the foreign keys. FIGURE Q3.22 THE...Ch. 3 - Create the ERM. FIGURE Q3.22 THE CH03_THEATER...Ch. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 26RQCh. 3 - What would be the conceptual view of the INDEX...Ch. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Describe the type(s) of relationship(s) between...Ch. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 13PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - For each table, identify the primary key and the...Ch. 3 - Prob. 18PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Identify the TRUCK tables candidate key(s). FIGURE...Ch. 3 - For each table, identify a superkey and a...Ch. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Create the ERD. (Hint: Look at the table contents....Ch. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Create the table that would result from applying...Ch. 3 - Create the table that would result from applying...Ch. 3 - Create the table that would result from applying a...
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- Using tables named T1 and T2, write a query example for each of the three join types you described in Question 2. Assume that T1 and T2 share a common column named Cl.arrow_forwardDelete the OWNER_INDEX 3 index from the OWNER table.arrow_forwardWhat three join types are included in the outer join classification?arrow_forward
- Explain inner join , outer join and self join in detail.arrow_forwardJOIN TABLES One row in the PAT_ENC table represents one patient encounter. One row in the ORDER MED table represents one medication order. One patient encounter can have many medication orders but one medication order can only have one patient encounter. In other words, the cardinality of this PAT_ENC to ORDER_MED relationship is one-to- many. You start a query with PAT_ENC. You then add ORDER_MED using an inner join. What is true about the granularity of the result set before and after adding the ORDER_MED table? SELECT ONE OF THE FOLLOWING A. The granularity stays at one row per patient encounter. B. The granularity stays at one row per medication order. C. The granularity changes from one row per patient encounter to one row per medication order on an encounter. D. The granularity changes from one row per medication order to one row per patient encounter.arrow_forwardRewrite the queryselect *from section natural join classroomwithout using a natural join but instead using an inner join with a using condition.arrow_forward
- it is possible to use a NATURAL join, there are some downsides to using this type of join. What are some of the downsides? Provide an example of a 3 table OUTER join (use JOIN ON in your SELECT statement syntax). Explain how it works and what the order of of the joins is.arrow_forwardreate a query that SELECT all of the EMPLOYEES from the EMPLOYEE TABLE that are Mangers. Include Employee ID first name, Lastname and Salary (Hint: Self Join) /* Write a query the gives the Employee ID first name, Lastname and Salary and Project Number of EMPLOYEES who aren't currently assigned to a project (hint outer join) Create a query that lists the lastnme, edlevel , job, the number of years they've worked as of Jan 01/2002 ( hint : year function Jan 01/2002 minus hiredate), and their salary. Get the employees that have the same Job as the employee named starts with J (hint subquery from employee) and hiredate < Jan 01/2002 Sort the listing by highest salary first. */arrow_forwardWrite a query that uses INNER JOIN TO connect the EMPLOYEE, EMPPROJACT, PROJACT and PROJECT tables. Include the Project number , Department number, Project start and end date and AC STAFF WHERE They belong to department D11 , Salary is more than or equal to 65 percent of $15,000 AND Salary is less than or equal to 130 percent of $40,000arrow_forward
- Question 6 List classroom ID, building name, class ID and class description. Use a LEFT JOIN to list all the classrooms in the BSU_Classrooms table and show matching Class ID and class description from the BSU_Class table. Sort results in descending order by classroom ID. Paste the SQL code here: Paste the resulting table here:arrow_forwardWhen does the query select * from student natural full outer join takes natural full outer join course include tuples with null values for the title attribute?arrow_forwardWhat is the difference between an INNER JOIN and a LEFT JOIN? a. an INNER JOIN is an obsolete form of a LEFT JOIN b. An INNER JOIN joins rows within a table. A LEFT JOIN joins rows between tables c. LEFT JOIN combines rows from two or more tables, but unlike INNER JOIN, it does not require the join condition to be met d. a LEFT JOIN is an obsolete form of an INNER JOINarrow_forward
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