fulltext, 1767 index, 1768 index_merge, 1768 index_subquery, 1768 range, 1768 ref, 1767 ref_or_null, 1767 system, 1766 unique_subquery, 1768 joins USING versus ON, 2675 join_buffer_size system variable, 811 JOIN_INDEX, 1799 JSON array, 2069 autowrapped values, 2073 false literal, 2069 NDB Cluster, 2589 new features, 21 normalized values, 2073 null literal, 2069 null, true, and false literals, 2071 object, 2069 quote mark handling, 2072 scalar, 2069 sensible values, 2073 string, 2069 temporal values, 2069 true literal, 2069 valid values, 2069 JSON data type, 2067 JSON functions, 2344, 2344 JSON pointer URI fragment identifiers, 2385 JSON schema CHECK constraints new features, 33 JSON schema validation, 2381 new features, 29 JSON_APPEND() removed features, 50 JSON_ARRAY(), 2346 JSON_ARRAYAGG(), 2399 JSON_ARRAY_APPEND(), 2363 JSON_ARRAY_INSERT(), 2364 JSON_CONTAINS(), 2347 JSON_CONTAINS_PATH(), 2348 JSON_DEPTH(), 2373 JSON_EXTRACT(), 2349 JSON_INSERT(), 2365 JSON_KEYS(), 2354 JSON_LENGTH(), 2373 JSON_MERGE(), 2366 deprecated features, 41 JSON_MERGE() (deprecated), 2074 JSON_MERGE_PATCH(), 2074, 2367 

