Relational Database Fundamentals

<p>Constraints</p> Signup and view all the answers

<p>Record</p> Signup and view all the answers

<p>Reducing data redundancy and ensuring data integrity</p> Signup and view all the answers

<p>Handling large volumes of data and supporting concurrent access</p> Signup and view all the answers

<p>To ensure data integrity and consistency</p> Signup and view all the answers

<p>Tables, rows, and columns</p> Signup and view all the answers

<p>Providing a powerful and versatile set of commands and functions</p> Signup and view all the answers

<p>Understanding the structure and relationships of the data</p> Signup and view all the answers

<p>Seamlessly, using various business intelligence tools</p> Signup and view all the answers

<p>Access control, user permissions, and audit logging</p> Signup and view all the answers

<p>A column or combination of columns that refers to the primary key of another table</p> Signup and view all the answers

<p>To uniquely identify each row in a table</p> Signup and view all the answers

<p>To improve the performance of data retrieval</p> Signup and view all the answers

<p>To create a well-structured database that is efficient, scalable, and maintainable</p> Signup and view all the answers

<p>A table is physical, while a view is virtual</p> Signup and view all the answers

<p>They represent the 'many' side of a one-to-many relationship</p> Signup and view all the answers

<p>Elimination of data anomalies, such as insertion and update anomalies</p> Signup and view all the answers

<p>Organizing data into tables, where data is stored in rows and columns</p> Signup and view all the answers

<p>To ensure that each cell contains a single value, eliminating repeating groups or arrays within a single column</p> Signup and view all the answers

<p>A person having a single passport record, and the passport record being associated with a single person</p> Signup and view all the answers

<p>Normalized databases are more flexible and scalable, with changes to the data structure having minimal impact on existing data and applications</p> Signup and view all the answers

<p>To store the relationships between the related tables, allowing for a many-to-many relationship</p> Signup and view all the answers

<p>Enabled storage of binary data, such as images, documents, or multimedia files</p> Signup and view all the answers

<p>Tables, consisting of rows and columns. Relational databases enable data centralization and integration by providing a centralized, scalable, and reliable data infrastructure.</p> Signup and view all the answers

<p>One-to-one, one-to-many, or many-to-many relationships. The primary mechanism used to enforce data integrity is constraints, such as primary keys, foreign keys, and referential integrity rules.</p> Signup and view all the answers

<p>Structured Query Language (SQL). The primary benefit of data normalization is reducing data redundancy and ensuring data integrity.</p> Signup and view all the answers

<p>Record. Field.</p> Signup and view all the answers

<p>ACID (Atomicity, Consistency, Isolation, Durability). Relational databases provide a centralized, scalable, and reliable data infrastructure for business analytics.</p> Signup and view all the answers

<p>Relational databases enable data centralization and integration by providing a centralized, scalable, and reliable data infrastructure. The primary benefit is providing a single source of truth for data, enabling more accurate and informed business decisions.</p> Signup and view all the answers

<p>To create a sorted list of values and their corresponding row locations, improving data retrieval performance.</p> Signup and view all the answers

<p>To store the relationships between the related tables, allowing for a many-to-many relationship.</p> Signup and view all the answers

<p>To create a well-structured database that is efficient, scalable, and maintainable.</p> Signup and view all the answers

<p>Allowing for the integration of data from various sources and providing a centralized repository for an organization's data</p> Signup and view all the answers

<p>Through the use of constraints, such as primary keys, foreign keys, and referential integrity rules</p> Signup and view all the answers

<p>The Boyce-Codd normal form is a stricter version of the third normal form, requiring that every determinant be a candidate key.</p> Signup and view all the answers

<p>Improved data security and privacy, with better control over data access and permissions.</p> Signup and view all the answers

<p>To efficiently retrieve, update, and delete data</p> Signup and view all the answers

<p>Organizing data into tables, where data is stored in rows and columns.</p> Signup and view all the answers

<p>By providing a structured data format and enabling the integration of data from various sources</p> Signup and view all the answers

<p>To ensure that each cell contains a single value, eliminating repeating groups or arrays within a single column.</p> Signup and view all the answers

<p>To ensure the database remains in a consistent state, even in the event of system failures or errors</p> Signup and view all the answers

<p>To ensure data integrity and accuracy</p> Signup and view all the answers

<p>Reduction of data redundancy, which can lead to inconsistencies and data integrity issues.</p> Signup and view all the answers

<p>They represent the 'many' side of a one-to-many relationship or the 'many' side of a many-to-many relationship.</p> Signup and view all the answers

<p>To ensure the availability and recoverability of the data</p> Signup and view all the answers

<p>Enabling the storage of binary data, such as images, documents, or multimedia files.</p> Signup and view all the answers

<p>Through locking and isolation levels</p> Signup and view all the answers

<p>They encapsulate complex logic, calculations, or data manipulation tasks, improving efficiency and maintainability</p> Signup and view all the answers

<p>To provide a customized perspective of the data, allowing users to access and manipulate data as if it were a table</p> Signup and view all the answers