The article discusses the shift towards modern data management technologies, specifically SQL and NoSQL databases. SQL is highlighted for its structured approach to handling relational data, using tables with predefined schemas where data can be queried, updated, and maintained efficiently. Key concepts such as ACID properties that ensure data integrity during transactions are explained, along with examples of SQL databases like MySQL. The overarching theme emphasizes the need for these technologies to meet contemporary demands in data processing.
SQL databases enforce data integrity through constraints, such as unique keys, foreign keys, and check constraints. They also focus on consistency with ACID properties.
Data is stored in tables with a predefined schema defining the structure of the table, crucial for managing and manipulating relational data.
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