# Usage

- [relational](/usage/relational.md)
- [SELECT](/usage/relational/select.md): Select
- [INSERT](/usage/relational/insert.md)
- [UPDATE](/usage/relational/update.md)
- [DELETE](/usage/relational/delete.md)
- [Schema](/usage/relational/schema.md)
- [CREATE SCHEMA](/usage/relational/schema/create-schema.md)
- [Table](/usage/relational/table.md)
- [CREATE TABLE](/usage/relational/table/create-table.md)
- [ALTER TABLE](/usage/relational/table/alter-table.md)
- [DROP TABLE](/usage/relational/table/drop-table.md)
- [LOCK TABLE](/usage/relational/table/lock-table.md)
- [View](/usage/relational/view.md)
- [CREATE VIEW](/usage/relational/view/create-view.md)
- [DROP VIEW](/usage/relational/view/drop-view.md)
- [Index](/usage/relational/index.md)
- [CREATE INDEX](/usage/relational/index/create-index.md)
- [DROP INDEX](/usage/relational/index/drop-index.md)
- [Functions](/usage/relational/functions.md)
- [Aggregation](/usage/relational/functions/aggregation.md)
- [AVG](/usage/relational/functions/aggregation/avg.md)
- [COUNT](/usage/relational/functions/aggregation/count.md)
- [MAX](/usage/relational/functions/aggregation/max.md)
- [MIN](/usage/relational/functions/aggregation/min.md)
- [SUM](/usage/relational/functions/aggregation/sum.md)
- [Conditional](/usage/relational/functions/conditional.md)
- [CASE WHEN](/usage/relational/functions/conditional/case-when.md)
- [COALESCE](/usage/relational/functions/conditional/coalesce.md)
- [GREATEST](/usage/relational/functions/conditional/greatest.md)
- [LEAST](/usage/relational/functions/conditional/least.md)
- [Date](/usage/relational/functions/date.md)
- [DAY OF MONTH](/usage/relational/functions/date/day-of-month.md)
- [DAY OF WEEK](/usage/relational/functions/date/day-of-week.md)
- [DAY OF YEAR](/usage/relational/functions/date/day-of-year.md)
- [HOUR](/usage/relational/functions/date/hour.md)
- [MINUTE](/usage/relational/functions/date/minute.md)
- [MONTH](/usage/relational/functions/date/month.md)
- [NOW](/usage/relational/functions/date/now.md)
- [SECOND](/usage/relational/functions/date/second.md)
- [WEEK OF YEAR](/usage/relational/functions/date/week-of-year.md)
- [YEAR](/usage/relational/functions/date/year.md)
- [Numeric](/usage/relational/functions/numeric.md)
- [CEIL](/usage/relational/functions/numeric/ceil.md)
- [FLOOR](/usage/relational/functions/numeric/floor.md)
- [ROUND](/usage/relational/functions/numeric/round.md)
- [String](/usage/relational/functions/string.md)
- [CONCAT](/usage/relational/functions/string/concat.md)
- [ORM](/usage/orm.md)
- [cli](/usage/cli.md)