ニュース

Generate ALTER Statements: Generates SQL ALTER statements to modify columns to BIGINT UNSIGNED and add foreign key constraints to the relevant tables. Populating Data: After generating the foreign key ...
Foreign key is used to establish a link between two tables . it always define in reference of primary key ( another table ) . it act as a primary key in its own table and foreign key for another table ...
When adding foreign keys to an existing table, sql.ResolveFK populates a map of all referenced tables. The problem is that we then indiscriminately queue a schema change job in the user transaction ...