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SELECT * FROM `COLUMNS`  
ORDER BY `COLUMNS`.`CHARACTER_OCTET_LENGTH` DESC
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME COLUMN_NAME ORDINAL_POSITION COLUMN_DEFAULT IS_NULLABLE DATA_TYPE CHARACTER_MAXIMUM_LENGTH CHARACTER_OCTET_LENGTH Descending Ascending 1 NUMERIC_PRECISION NUMERIC_SCALE DATETIME_PRECISION CHARACTER_SET_NAME COLLATION_NAME COLUMN_TYPE COLUMN_KEY EXTRA PRIVILEGES COLUMN_COMMENT GENERATION_EXPRESSION SRS_ID
def information_schema PARAMETERS DATA_TYPE 7 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema ROUTINES DTD_IDENTIFIER 14 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema COLUMNS DATA_TYPE 8 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema COLUMNS GENERATION_EXPRESSION 21 NULL NO longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema ST_GEOMETRY_COLUMNS GEOMETRY_TYPE_NAME 7 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema ROUTINES ROUTINE_DEFINITION 16 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema USER_ATTRIBUTES ATTRIBUTE 3 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8mb4 utf8mb4_bin longtext select NULL
def information_schema EVENTS EVENT_DEFINITION 7 NULL NO longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema STATISTICS EXPRESSION 18 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema TRIGGERS ACTION_STATEMENT 10 NULL NO longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema CHECK_CONSTRAINTS CHECK_CLAUSE 4 NULL NO longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema ROUTINES DATA_TYPE 6 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema VIEWS VIEW_DEFINITION 4 NULL YES longtext 4294967295 4294967295 NULL NULL NULL utf8 utf8_bin longtext select NULL
def information_schema PARAMETERS DTD_IDENTIFIER 15 NULL NO mediumtext 16777215 16777215 NULL NULL NULL utf8 utf8_bin mediumtext select NULL
def information_schema COLUMNS COLUMN_TYPE 16 NULL NO mediumtext 16777215 16777215 NULL NULL NULL utf8 utf8_bin mediumtext select NULL
def information_schema PROCESSLIST INFO 8 YES varchar 21845 65535 NULL NULL NULL utf8 utf8_general_ci varchar(65535) select NULL
def information_schema RESOURCE_GROUPS VCPU_IDS 4 NULL YES blob 65535 65535 NULL NULL NULL NULL NULL blob select NULL
def information_schema COLUMNS COLUMN_DEFAULT 6 NULL YES text 65535 65535 NULL NULL NULL utf8 utf8_bin text select NULL
def information_schema INNODB_COLUMNS DEFAULT_VALUE 8 YES text 65535 65535 NULL NULL NULL utf8 utf8_general_ci text select NULL
def information_schema OPTIMIZER_TRACE TRACE 2 NO varchar 21845 65535 NULL NULL NULL utf8 utf8_general_ci varchar(65535) select NULL
def information_schema OPTIMIZER_TRACE QUERY 1 NO varchar 21845 65535 NULL NULL NULL utf8 utf8_general_ci varchar(65535) select NULL
def information_schema PARTITIONS PARTITION_COMMENT 23 NULL NO text 65535 65535 NULL NULL NULL utf8 utf8_bin text select NULL
def information_schema COLUMNS COLUMN_COMMENT 20 NULL NO text 65535 65535 NULL NULL NULL utf8 utf8_bin text select NULL
def information_schema FILES FILE_NAME 2 NULL YES text 65535 65535 NULL NULL NULL utf8 utf8_bin text select NULL
def information_schema TABLES TABLE_COMMENT 21 NULL YES text 65535 65535 NULL NULL NULL utf8 utf8_general_ci text select NULL
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