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Questions and Answers

Which programming language is NOT represented by the 'P' in software solution stacks?

  • Python
  • Pascal (correct)
  • PHP
  • Perl

    • Which of the following is NOT an example of metadata found in a database catalog?

  • Relationship descriptions
  • Index definitions
  • Table and view names
  • Values in a primary key field (correct)

    • What does data consistency in a database imply?

  • Allowing two or more users to access the database at the same time
  • Giving each user a consistent view of the data (correct)
  • Using properties such as the Validation Rule property
  • Implementing offsite backups

    • Which feature helps recover data in an Access database?

    <p>Incremental backups</p> Signup and view all the answers

    What SQL statement grants a user permission to select, insert, update, or delete records from a table?

    <p>GRANT ALL on STUDENTS to cyclone1</p> Signup and view all the answers

    Which of the following is NOT a constraint on the primary key field for a table?

    <p>All values must have a matching value in the foreign key field</p> Signup and view all the answers

    What is the primary purpose of implementing offsite backups?

    <p>To ensure data recovery in case of a disaster</p> Signup and view all the answers

    What is a characteristic of the primary key field in a database table?

    <p>It must contain unique values</p> Signup and view all the answers

    Which of the following changes to a database would most likely require the most rework to existing programs and queries?

    <p>changing relationships between tables</p> Signup and view all the answers

    What is the purpose of the GRANT statement in SQL?

    <p>To assign permissions to a user</p> Signup and view all the answers

    What is a potential reason for rework to existing programs and queries in a database?

    <p>Changing the database management system</p> Signup and view all the answers

    What is a benefit of using two-step locking in a database?

    <p>It ensures data consistency in a multi-user environment</p> Signup and view all the answers

    Study Notes

    Programming Languages

    • In modern software solution stacks such as LAMP, LAPP, and WAMP, the "P" does not stand for Python, Perl, or Pascal, but rather for PHP.

    Database Catalog Metadata

    • Metadata found in a database catalog includes table and view names, relationship descriptions, and index definitions, but excludes values in a primary key field.

    Data Consistency

    • Data consistency means giving each user a consistent view of the data, including changes, and can be achieved by using properties such as the Validation Rule property to improve data entry accuracy.

    Access Database Recovery

    • The compact and repair feature potentially helps recover data in an Access database.

    SQL Statement Permissions

    • The GRANT ALL on STUDENTS to cyclone1 SQL statement gives user cyclone1 the ability to select, insert, update, or delete records from the Students table.

    Primary Key Field Constraints

    • The primary key field constraints include no null values, unique values, but do not include a requirement for all values to have a matching value in the foreign key field of the table in which it has a one-to-many relationship, or to contain data within the data type assigned to that field.

    Database Changes

    • Changing relationships between tables would most likely require the most rework to existing programs and queries.

    Version Control

    • GitHub and BitBucket are popular websites for hosting projects that use the Git language for version control.

    Programming Languages

    • In modern software solution stacks such as LAMP, LAPP, and WAMP, the "P" does not stand for Python, Perl, or Pascal, but rather for PHP.

    Database Catalog Metadata

    • Metadata found in a database catalog includes table and view names, relationship descriptions, and index definitions, but excludes values in a primary key field.

    Data Consistency

    • Data consistency means giving each user a consistent view of the data, including changes, and can be achieved by using properties such as the Validation Rule property to improve data entry accuracy.

    Access Database Recovery

    • The compact and repair feature potentially helps recover data in an Access database.

    SQL Statement Permissions

    • The GRANT ALL on STUDENTS to cyclone1 SQL statement gives user cyclone1 the ability to select, insert, update, or delete records from the Students table.

    Primary Key Field Constraints

    • The primary key field constraints include no null values, unique values, but do not include a requirement for all values to have a matching value in the foreign key field of the table in which it has a one-to-many relationship, or to contain data within the data type assigned to that field.

    Database Changes

    • Changing relationships between tables would most likely require the most rework to existing programs and queries.

    Version Control

    • GitHub and BitBucket are popular websites for hosting projects that use the Git language for version control.

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    Description

    This quiz covers various concepts in programming and database management, including software solution stacks and database catalog metadata.

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