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Math and SQL Part 3: MVCC, Immutability, and Functional Programming
While first normal form is pretty much restricted to relational operations, this piece is more general. It looks at the basic promise of functional...
View ArticleMath and SQL, Part 4: Basic Data Types - Sets, Tuples, and Bags
A reasonable understanding of the relational model requires understanding the basic data types which make it up, both in the idealized model and in real-world...
View ArticleMath and SQL Part 5: Projection and Selection
The SELECT statement is the workhorse of SQL. Updates and inserts are necessary, but selects are where the power is. One of the significant issues...
View ArticleMath and SQL Part 6: The Problem with NULLs
This will be the final installment on Math and SQL and will cover the problem with NULLs. NULL handling is probably the most poorly thought-out feature...
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