February 2000
Intermediate to advanced
592 pages
14h 36m
English
Content preview from The Guru's Guide to Transact-SQL
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10 Arrays
Init, Use, Destroy. Three procedure calls, six possible sequences, five of them wrong. I am quietly impressed that any nontrivial applications ever work.—Thomas L. Holaday
Because there’s no built-in array data type, there’s really no direct way to store or work with true arrays in Transact-SQL. There are a couple of alternatives that are fairly array-like, but since they really aren’t arrays in the 3GL sense of the word, they’re less than ideal.
The two most obvious ways to simulate an array in Transact-SQL are setting up a table that mimics an array (with columns simulating dimensions) and using a single column to store multiple values (with special indexing routines to flatten or compose the array elements). The first approach ...
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