show create table performance_schema.variables_info;
Table	Create Table
variables_info	CREATE TABLE `variables_info` (
  `VARIABLE_NAME` varchar(64) NOT NULL,
  `VARIABLE_SOURCE` enum('COMPILED','GLOBAL','SERVER','EXPLICIT','EXTRA','USER','LOGIN','COMMAND_LINE','PERSISTED','DYNAMIC') DEFAULT 'COMPILED',
  `VARIABLE_PATH` varchar(1024) DEFAULT NULL,
  `MIN_VALUE` varchar(64) DEFAULT NULL,
  `MAX_VALUE` varchar(64) DEFAULT NULL,
  `SET_TIME` timestamp(6) NULL DEFAULT NULL,
  `SET_USER` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
  `SET_HOST` char(255) CHARACTER SET ascii COLLATE ascii_general_ci DEFAULT NULL
) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
select * from INFORMATION_SCHEMA.STATISTICS
where TABLE_SCHEMA = "performance_schema"
  and TABLE_NAME = "variables_info";
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT	INDEX_COMMENT	IS_VISIBLE	EXPRESSION