Database information_schema - table TABLE_CONSTRAINTS

MySQL returned an empty result set (i.e. zero rows).
SQL-query : [Edit]
SELECT * FROM `TABLE_CONSTRAINTS` LIMIT 0, 30

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Field Type Attributes Null Default Extra Action
CONSTRAINT_CATALOG  varchar(512)   Yes  NULL    Change Drop Primary Index Unique
CONSTRAINT_SCHEMA  varchar(64)   Yes      Change Drop Primary Index Unique
CONSTRAINT_NAME  varchar(64)   Yes      Change Drop Primary Index Unique
TABLE_SCHEMA  varchar(64)   Yes      Change Drop Primary Index Unique
TABLE_NAME  varchar(64)   Yes      Change Drop Primary Index Unique
CONSTRAINT_TYPE  varchar(64)   Yes      Change Drop Primary Index Unique