Embedded Systems LM5p-GSMC - Page 66

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Examples
-- Query parameter replacement
db:query('UPDATE table SET field=? WHERE id=?', 'test', 42)
-- Same as INSERT INTO table (id, value) VALUES (42, 'test')
db:insert('table', {
id = 42,
value = 'test',
})
-- Same as UPDATE table SET value='test' WHERE id=42
db:update('table', { value = 'test' }, { id = 42 })
-- Same as DELETE FROM table WHERE id=42
db:delete('table', { id = 42 })