SQL SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

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Answer 1

Question

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

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Subject: Database management system Explain in easy way with write handwritten note a. What is lossy decomposition? Check whether the following decompositions are lossy or lossless. (i) Let R=ABCD, R1 = AD, R2 = AB, R3 = BE, R4 = CDE, R5 = AE, F={ A->C, B- >C, C->D, DE->C, CE->A} (ii) R (XYZWQ), FD= {X->Z, Y->Z, Z->W, WQ->Z, ZQ-> X, R1 (XW), R2 (XY), R3 (YQ) , R4 (ZWQ), R5 (XQ) b. Eliminate redundant FDs from (i) F={X->Y, Y->X, Y->Z, Z->Y, X->Z, Z->X} (ii) F = {X->YZ, ZW->P, P->Z, W->XPQ, XYQ, YW, WQ ->YZ}

Answer 2

Question

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

Expert Solution & Answer

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Answer 3

Question

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

Expert Solution & Answer

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See solution

Answer 5

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

Answer 6

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

Answer 7

Chapter 9, Problem 16CRP

a)

Program Plan Intro

SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

Answer 8

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

Answer 9

b)

Explanation of Solution

List of employees from personnel department who have worked or are working:

The query used in SQL to execute the following statement is,

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”

Explanation:

The above SQL query list the name and addres...

Answer 10

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

Answer 11

c)

Explanation of Solution

List of employees from personnel department:

SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”

Explanation:

The above SQL query list the name and address of the employe...

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 9.1 - Identify two departments in a manufacturing plant...Ch. 9.1 - Prob. 2QE Ch. 9.1 - Summarize the roles of the application software...Ch. 9.2 - Prob. 1QE Ch. 9.2 - Prob. 2QE Ch. 9.2 - Prob. 4QE Ch. 9.2 - Prob. 5QE Ch. 9.2 - Prob. 6QE Ch. 9.3 - Prob. 1QE Ch. 9.3 - What is a persistent object?

SQL SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

Solution Summary: The author explains SQL as a structured query language. It is used to manage data and perform manipulations over the data.

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SQL

SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.

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