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DMBS.ig
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The 'READ COMMITTED' isolation level in SQL prevents dirty reads but allows non-repeatable reads and phantom reads
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Random data does not allow for faster retrieval of specific records.
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The REVOKE command in SQL is used to revoke (remove) privileges previously granted to users or roles on database objects.
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Indexing is a technique for implementing joins
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@Table annotation is used to specify the name of the table in the database for a JPA entity.
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If a transaction is in the "active" state, it means the transaction has been successfully executed.
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The following restriction does not provide enough security when dealing with statistic databases: "No statistic query shall be allowed if less than n tuples are present in the result"
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Stored procedures can be used to perform CRUD operations in most database management systems
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Column-based databases store data table by table rather than row by row
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A distributed database is used exclusively to store data in a single central node
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