Do not be misled by the "Lite" in the name. SQLite has a full-featured
SQL implementation, including:
- Tables, indexes,
triggers, and views
in unlimited quantity
- Up to 32K columns in a table and unlimited rows
- Multi-column indexes
- Indexes can use DESC and COLLATE
- Partial indexes
- Indexes On Expressions
- Clustered indexes
- Covering indexes
- CHECK, UNIQUE, NOT NULL, and FOREIGN KEY constraints.
- ACID transactions using BEGIN, COMMIT, and ROLLBACK
- Nested transactions using SAVEPOINT, RELEASE, and
ROLLBACK TO
- Subqueries, including correlated subqueries
- Up to 64-way joins
- LEFT, RIGHT, and FULL OUTER JOINs
- DISTINCT, ORDER BY, GROUP BY, HAVING, LIMIT, and OFFSET
- UNION, UNION ALL, INTERSECT, and EXCEPT
- A rich library of standard SQL functions
- Aggregate functions including DISTINCT aggregates
- Window functions
- UPDATE, DELETE, and INSERT (of course)
- Common table expressions including
recursive common table expressions
- Row values
- UPSERT
- An advanced query planner
- Full-text search
- R-tree indexes
- JSON support
- The IS operator
- Table-valued functions
- REPLACE INTO
- VACUUM
- REINDEX
- The GLOB operator
- Hexadecimal integer literals
- The ON CONFLICT clause
- The INDEXED BY clause
- Virtual tables
- Multiple databases on the same database connection using
ATTACH DATABASE
- The ability to add application-defined SQL functions, including
aggregate and table-valued functions.
- Application-defined collating functions
There are many more features not listed above.
SQLite may be small in size and have "Lite" in its name, but it is
not lacking in capability.
This page last modified on 2022年05月10日 17:29:14 UTC