Which of the Following Best Describes the Primary Key

Specify a UNIQUE constraint on the CUSTOMER_ID column. Its the password that needs to be entered to open the database.

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Allows linking two or more tables B.

. A foreign key is an attribute that exists in relational databases in order to carry out the relationship between two tables. Which of the following best describes a primary key. ATo support business processes across the organization.

Oracle automatically generates unique values for columns that are defined as primary keys. Most attributes will likely be numeric. A Describes the characteristics of the class B Allows two tables to be connected C Matches values of foreign keys in other classes D Uniquely identifies each instance of the class Feedback.

Its the first item that is entered into the database on a screen. The average age of customers in Madison Wisconsin Billing. A PRIMARY KEY constraint must be defined for each column in the composite primary key.

Its a field that uniquely identifies the record. BTo provide business information but are not required to build a database. Uniquely identifies each instance of the class.

Which of the following best describes the big themes or the topics of the database. Sequences can be used to. 4-Which of the following best describes the function of a CHECK constraint.

Group of answer choices. Mark for Review 1 Points They are just copies of data in no particular order. 11Which of the following best describes the purpose of a primary key.

Its the encryption key that gets exchanged first with another party. The primary key should be a single integer surrogate key. Which of the following best describes the function of a primary key.

A column or group of columns that identifies a unique row in a table. Mark for Review 1 Points. Question 2 Consider the following statement.

Because the primary key is used for lookups and comparisons a short primary key means the database management system can process it more quickly than a long primary key. To uniquely identify each record in a file. Which of the following statements best describes indexes and their use.

To support business processes across the organization. Its the first item that is entered into the database on a screen. Its a field that uniquely identifies the record.

Group of answer choices. CTo create the relationship between two tables. The definition of a primary key.

Which foster families have the animals and the adoption history of each animal. The first record in a data file O D. The primary key should be a single integer surrogate key.

Matches values of foreign keys in other classes D. SQL Server or other database management systems process number data types faster than character data types. A primary key is an attribute that is required to exist in each table of a relational database and serves as the unique identifier for each record in a table.

Choose three Mark for Review. A foreign key is at the primary key of one table repeated in another table in order to create a relationship between the tables. All of the above 8.

A CHECK constraint defines restrictions on the values that can be entered in a column or combination of columns. Which of the following best describes the function of a CHECK constraint. Which of the following best describes the primary key.

B Matches values of foreign keys in other classes. Which of the following best describes a fact table in a star schema. Indicates the minimum multiplicities for an association C.

Which of the following pieces of code will successfully create a foreign key in the CDS table that references the SONGS table. This question hasnt been solved yet. Which of the following best describes the primary key.

Another term for file name O C. A primary key uniquely defines each instance of a class in a. Section 16 Quiz Database Programming With SQL.

A To ensure that each row in the table is unique B To create the relationship between two tables C To provide business information but are not required to build a database D To. Generate a range of numbers and optionally cycle through them again Set a fixed interval between successively generated numbers. To provide business information but are not required to build a database.

Its the password that needs to be entered to open the database. Animals Foster families Adoptions. Foreign Key Constraints are also known as.

Use a number for the primary key whenever possible. Which of the following best describes the function of the NEXTVAL virtual column. 33 Which of the following best describes the purpose of a primary key.

To ensure that each row in the table is unique. Ask an expert Ask an expert done loading. Which of the following actions follows the step of determining the requirements for new forms reports and queries during the development of a database application system.

To provide decryption of data OB. 3 CORRECT Which of the following best describes the purpose of a primary key. Its the encryption key that gets exchanged first with another party.

To uniquely identify each record in a file. 37 Which of the following best describes the purpose of a primary key. Select a source that best describes where the following data might come from.

Which of the following best describes the purpose of a primary key. Referential Integrity Constraints 7. DTo ensure that each row in the table is unique.

A To ensure that each row in the table is unique B To create the relationship between two tables C To provide business information but are not required to build a database D To. Which of the following best describes the purpose of a primary key. For each value in the foreign key of one table there is a corresponding value within the primary keys of the related table This definition best describes which one of the following.

Refer to Section 16 Lesson 1. To create the relationship between two tables. The average age of customers in Madison Wisconsin By Admin September 27 2020 March 31 2021 Here is the answer of the question.

A Allows linking two or more tables. Which of the following best describes the purpose of a primary key. Most attributes will likely be text.

Select a source that best describes where the following data might come from. Ensure primary key values will be unique even though gaps may exist 2. Ensure primary key values will be unique even though gaps may exist Incorrect Incorrect.

C Indicates the minimum multiplicities of an association. Revise computer science GCSE by testing your knowledge in our primary key quiz. Which of the following best describes the function of a primary key.

To uniquely identify each record in a file Some web databases are ______ databases where users store and share media with other registered users. The first record in a data file O D.

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