A database system is a software application that manages the storage, organization, and retrieval of data.
What are the advantages of using a database system?
Advantages of using a database system include data consistency, data integrity, data security, efficient data retrieval, and data sharing among multiple users.
What is a relational database?
A relational database is a type of database that organizes data into tables with rows and columns, and establishes relationships between tables using keys.
What is SQL?
SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases.
What is a primary key?
A primary key is a unique identifier for a record in a database table. It ensures that each record can be uniquely identified and accessed.
What is normalization in database design?
Normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity.
What is a database index?
A database index is a data structure that improves the speed of data retrieval operations on a database table.
What are the ACID properties in database transactions?
The ACID properties are Atomicity, Consistency, Isolation, and Durability. They guarantee that database transactions are processed reliably.
What is database concurrency control?
Database concurrency control is the management of concurrent access to a database to ensure data consistency and integrity.
What is database normalization?
Database normalization is the process of organizing data in a database to reduce data redundancy and improve data integrity.
What is the difference between a database and a data warehouse?
A database is a collection of data organized for efficient storage and retrieval, while a data warehouse is a large repository of historical and aggregated data used for analysis and reporting.
What is database replication?
Database replication is the process of creating and maintaining copies of a database on multiple servers to improve data availability and fault tolerance.
What is a foreign key in a database?
A foreign key is a column or a set of columns in a database table that is used to establish a link or relationship between two tables.
What is the role of a database administrator (DBA)?
A database administrator (DBA) is responsible for managing and maintaining a database system, including its design, security, and performance.
What is a distributed database?
A distributed database is a database system in which the data is stored and processed across multiple locations or computer systems.
What is a database system?
A database system is a software application that manages the storage, organization, and retrieval of data.
What are the advantages of using a database system?
Advantages of using a database system include data consistency, data integrity, data security, efficient data retrieval, and data sharing among multiple users.
What is a relational database?
A relational database is a type of database that organizes data into tables with rows and columns, and establishes relationships between tables using keys.
What is SQL?
SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases.
What is a primary key?
A primary key is a unique identifier for a record in a database table. It ensures that each record can be uniquely identified and accessed.
What is normalization in database design?
Normalization is the process of organizing data in a database to eliminate redundancy and improve data integrity.
What is a database index?
A database index is a data structure that improves the speed of data retrieval operations on a database table.
What are the ACID properties in database transactions?
The ACID properties are Atomicity, Consistency, Isolation, and Durability. They guarantee that database transactions are processed reliably.
What is database concurrency control?
Database concurrency control is the management of concurrent access to a database to ensure data consistency and integrity.
What is database normalization?
Database normalization is the process of organizing data in a database to reduce data redundancy and improve data integrity.
What is the difference between a database and a data warehouse?
A database is a collection of data organized for efficient storage and retrieval, while a data warehouse is a large repository of historical and aggregated data used for analysis and reporting.
What is database replication?
Database replication is the process of creating and maintaining copies of a database on multiple servers to improve data availability and fault tolerance.
What is a foreign key in a database?
A foreign key is a column or a set of columns in a database table that is used to establish a link or relationship between two tables.
What is the role of a database administrator (DBA)?
A database administrator (DBA) is responsible for managing and maintaining a database system, including its design, security, and performance.
What is a distributed database?
A distributed database is a database system in which the data is stored and processed across multiple locations or computer systems.