SQL Clustered Index (InnoDB PK)

SQL Clustered Index (InnoDB PK) is a SQL statement in the Indexes category. Clustered index determines physical row order. InnoDB stores row data in the primary key index itself. The syntax is -- In MySQL InnoDB, the PRIMARY KEY IS the clustered index.. It returns clustered index concept. A close relative is CREATE INDEX, which creates an index on one or more columns to speed up query performance. A close relative is DROP INDEX, which removes an existing index from a table. A close relative is COMPOSITE INDEX, which an index on multiple columns. Column order matters — queries use leftmost prefix. More about this category: Database indexes — CREATE INDEX, UNIQUE INDEX, COMPOSITE INDEX, DROP INDEX. Related Indexes entries: CREATE INDEX, DROP INDEX, COMPOSITE INDEX, EXPLAIN, FULLTEXT INDEX, SPATIAL INDEX, INCLUDE INDEX (Covering Index), PARTIAL INDEX. This page is part of the free SQL Reference documentation covering 762+ statements, functions, and clauses, each with syntax, parameters, return values, and examples for MySQL, PostgreSQL, SQL Server, and SQLite.