Primary Key: A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table. Example: Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key. Foreign Key: Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table. Example: In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table. Many to one relationship: When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship. ENTITY- RELATIONSHIP DIAGRAM (ERD): Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes. CROW FOOT ERD: The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database. Given database tables: Table Name: STORE STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE 1 Access Junction 1003455.76 2 8 2 Database Corner 1421987.39 2 12 3 Tuple Charge 986783.22 1 7 4 Attribute Alley 944568.56 2 3 5 Primary Key Point 2930098.45 1 15 Table Name: REGION REGION_CODE REGION_DESCRIPT 1 EAST 2 WEST

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Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

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What is the generator? Explain motor generator motor

This battle room is focused on entry level tasks for a network analyst where you will be given trials and reconnaissance, sensor tuning, log aggregation, SIEM queries, and network analysis. For this week’s project, complete the following tasks: From your Project Ares portal, LOG IN Click on LAUNCH GAME. Select the region NORTH AMERICA Click on Battle School Under the BATTLE SCHOOL pop-up window, click on START TRAINING. Under the BATTLE ROOMS tile, click on ENTER. Under the NETWORK ANALYST tile, click on PLAY. Wait for the Battle Room to load. While loading, the BATTLE ROOM button will display red. Once the Battle Room is loaded, the BATTLE ROOM button will turn yellow and the center of the disk display will indicate CONNECTED. Click on the BATTLE ROOM button to enter the Battle Room. Below the TASKS folder, make sure you click on INSTRUCTIONS to download the Network Analyst Fundamentals material. In the Battle Room, under the TASKS menu select task INTRUSION DETECTION. Complete…

Create a relationship between the common field (Technician Number) of the two tables. Make sure that each client must have 1 and only 1 technician assigned, and each technician can have multiple clients. 2. Create a query to show the Client Number, Client Name, Billed, Paid for clients in Anderson city. Save the query. 3. Create a query to show the Technician Number, Last Name, First Name, YTD Earnings for technicians whose Hourly Rate is greater than or equal to 30. Save the query. 4. Create a query to show Client Number, Client Name, Billed, Paid for clients whose technician number is 22 and whose Billed is over 300. Save the query. 5. Create a query to show the Technician Number, Last Name, First Name, Client Number, Client Name for clients whose technician number 23. Save the query. 6. Create a query to show the Technician Number, Last Name, First Name, Client Number, Client Name for clients whose technician number 23 or 29. Save the query Help please Microsoft office access

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Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

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Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

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Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

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Answer 7

Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

Answer 8

Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

Answer 9

Chapter 3, Problem 5P

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Foreign Key:

Foreign Key is a column in a relational database table which provides a relation between two tables. It provides a cross reference between tables by pointing to primary key of another table.

Example:

In STUDENT database table, the attribute “reg_no” acts as primary key and in COURSE database table in which the student selects his or her course, the same “reg_no” acts as foreign key for the STUDENT table.

Many to one relationship:

When one record in a database table is associated with one or more records in another table, the relationship between the two tables is referred as many to one relationship. It is also represented as M:1 relationship.

ENTITY- RELATIONSHIP DIAGRAM (ERD):

Entity- Relationship Diagram is also known as ER Diagram. It is used to define the conceptual view of the database as viewed by the end user. It is used to depict the database’s main components: entities, relationships and attributes.

CROW FOOT ERD:

The Crow Foot ERD is an Entity Relationship Diagram which is used to represent the cardinalities present in the basic ER diagram. It is used to represent the relationships present between two tuples or tables present in the database.

Given database tables:

Table Name: STORE

STORE_CODE STORE_NAME STORE_YTD_SALES REGION_CODE EMP_CODE

1 Access Junction 1003455.76 2 8

2 Database Corner 1421987.39 2 12

3 Tuple Charge 986783.22 1 7

4 Attribute Alley 944568.56 2 3

5 Primary Key Point 2930098.45 1 15

Table Name: REGION

REGION_CODE REGION_DESCRIPT

1 EAST

2 WEST

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Ch. 3 - What is the difference between a database and a...Ch. 3 - Prob. 2RQ Ch. 3 - Prob. 3RQ Ch. 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. 8RQ Ch. 3 - Prob. 9RQ Ch. 3 - Prob. 10RQ

Solution Summary: The Crow Foot ERD is an Entity Relationship Diagram which is used to depict the conceptual view of the database as viewed by the end user.

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Chapter 3 Solutions

STORE_CODE	STORE_NAME	STORE_YTD_SALES	REGION_CODE	EMP_CODE
1	Access Junction	1003455.76	2	8
2	Database Corner	1421987.39	2	12
3	Tuple Charge	986783.22	1	7
4	Attribute Alley	944568.56	2	3
5	Primary Key Point	2930098.45	1	15