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avestura.dev | ||
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troels.arvin.dk
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| | | | | [AI summary] The provided text is a detailed, comprehensive overview of SQL standards, database systems, and their respective features, including information about schemas, tables, views, constraints, and metadata queries. It also touches on differences between SQL dialects (PostgreSQL, MySQL, Oracle, Informix, DB2, MSSQL) in terms of syntax, case sensitivity, and support for SQL standards. | |
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drew.silcock.dev
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| | | | | A high-level overview of how PostgreSQL stores data on disk, covering segments, pages and more. | |
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pgdba.org
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| | | | | [AI summary] This technical article explains the Multi-Version Concurrency Control (MVCC) and transaction isolation levels in PostgreSQL, including how XIDs work and common concurrency issues. | |
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curatedsql.com
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