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ATTACH DATABASE
Learn ATTACH DATABASE in SQLite through the exact construct, a dedicated example, a boundary case, and a mastery check.
ATTACH DATABASE is an atomic SQLite lesson inside Advanced SQLite. The example uses the specific syntax, command, API, instruction, or language rule named by this lesson.
Study the construct itself, then change one relevant input and predict the result before running it. That keeps this lesson focused on ATTACH DATABASE rather than on generic SQLite syntax.
Topic-specific example
ATTACH DATABASE 'archive.db' AS archive; SELECT * FROM archive.orders;
Test ATTACH DATABASE with an empty result, NULL/missing value, duplicate key, or concurrent operation where relevant; database behavior should be verified at the boundary shown by this example.