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Relational databases structure data into tables, representing entities like "books" []. Each table has columns for attributes such as "name" and "author" [], and critically, a unique ID for each row [] to identify individual records. Data retrieval is primarily done using Structured Query Language (SQL) []. The power of relational databases shines when connecting different entities, like books and authors, through relationships. This is achieved by using a "foreign key" in one table (e.g., author ID in the books table) that references the primary key in another table [-].
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Relational databases structure data into tables, representing entities like "books" []. Each table has columns for attributes such as "name" and "author" [], and critically, a unique ID for each row [] to identify individual records. Data retrieval is primarily done using Structured Query Language (SQL) []. The power of relational databases shines when connecting different entities, like books and authors, through relationships. This is achieved by using a "foreign key" in one table (e.g., author ID in the books table) that references the primary key in another table [-].