SELECT t.table_schema AS PrimarySchemaName ,
t.TABLE_NAME AS PrimaryKeyTable,
tc.CONSTRAINT_NAME AS PrimaryKey,
COALESCE(tc2.constraint_schema,'N/A') AS ForeignSchemaName,
COALESCE(rc1.CONSTRAINT_NAME,'N/A') AS ForeignKey ,
COALESCE(tc2.TABLE_NAME,'N/A') AS ForeignKeyTable
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc
INNER JOIN INFORMATION_SCHEMA.TABLES t ON tc.TABLE_NAME = t.TABLE_NAME
LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc1 ON tc.CONSTRAINT_NAME =rc1.UNIQUE_CONSTRAINT_NAME
LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc2 ON tc2.CONSTRAINT_NAME =rc1.CONSTRAINT_NAME
WHERE TC.CONSTRAINT_TYPE ='PRIMARY KEY'
ORDER BY tc.TABLE_NAME,tc.CONSTRAINT_NAME,rc1.CONSTRAINT_NAME
It will Return all the Primary Key of every Table with their table name
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