单选题删除PRIMARYKEY约束条件及其所有依赖约束条件的语法是什么（）AALTER TABLE table_name DROP CONSTRAINT constraint_name CASCADEBALTER TABLE table_name DROP CONSTRAINT FOREIGN KEY CASCADECDROP CONSTRAINT table_name（constraint_name）DALTER TABLE table_name DROP CONSTRAINT constraint_name
单选题
删除PRIMARYKEY约束条件及其所有依赖约束条件的语法是什么（）
A
ALTER TABLE table_name DROP CONSTRAINT constraint_name CASCADE
B
ALTER TABLE table_name DROP CONSTRAINT FOREIGN KEY CASCADE
C
DROP CONSTRAINT table_name（constraint_name）
D
ALTER TABLE table_name DROP CONSTRAINT constraint_name
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