In SQLite, a partial index includes only the rows that meet a specified condition, set by a WHERE
clause in the index definition. This is different from a regular, or “full,” index, which covers all rows in a table. Partial indexes are helpful when you frequently query specific subsets of data, as they can improve query performance and reduce storage.
If you ever need to check a table to see if it contains any partial indexes, you can use either of the following methods.
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