17 lines
1.0 KiB
Plaintext
17 lines
1.0 KiB
Plaintext
show create table performance_schema.variables_info;
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Table Create Table
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variables_info CREATE TABLE `variables_info` (
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`VARIABLE_NAME` varchar(64) NOT NULL,
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`VARIABLE_SOURCE` enum('COMPILED','GLOBAL','SERVER','EXPLICIT','EXTRA','USER','LOGIN','COMMAND_LINE','PERSISTED','DYNAMIC') DEFAULT 'COMPILED',
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`VARIABLE_PATH` varchar(1024) DEFAULT NULL,
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`MIN_VALUE` varchar(64) DEFAULT NULL,
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`MAX_VALUE` varchar(64) DEFAULT NULL,
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`SET_TIME` timestamp(6) NULL DEFAULT NULL,
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`SET_USER` char(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
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`SET_HOST` char(255) CHARACTER SET ascii COLLATE ascii_general_ci DEFAULT NULL
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) ENGINE=PERFORMANCE_SCHEMA DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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select * from INFORMATION_SCHEMA.STATISTICS
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where TABLE_SCHEMA = "performance_schema"
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and TABLE_NAME = "variables_info";
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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
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