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Database training
4.1.18. Notation
Language
PL too complex/long-winded
Simplified database model
Database as collection of named items
Granularity, or size of data item
Disk block based, each block X
Basic transaction language (BTL)
read_item(X);
write_item(X);
Basic algebra, X=X+N;
‹ 4.1.17. Concurrency Introduction
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4.1.19. Transaction processing ›
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