are a popular way to store and organize data in structured . Each table typically has a , which uniquely identifies each record in the table. To establish relationships between tables, s are used to reference the primary key of another table. is the process of organizing data in a database to reduce redundancy and improve data integrity. , or Structured Query Language, is commonly used to interact with relational databases, allowing users to query, insert, update, and delete data. can be created on tables to improve the speed of data retrieval for specific columns. in databases ensure that a series of operations are completed successfully or rolled back if an error occurs, maintaining the of transactions. operations in SQL are used to combine rows from two or more tables based on a related column between them.
