表级约束 meaning in English

table-level constraint

Type , you can define column - level or table - level constraints
类型的列时，可以定义列级约束或表级约束。
For database table - level constraint
表级约束
Table - level constraint
表级约束
This includes all column - level and table - level constraints in create table , stored procedures , and triggers
这包括create table中所有列级约束和表级约束、存储过程以及触发器。
Because check constraints can reference only the columns on which the column - level or table - level constraint is defined , any cross - table constraints in this case , business rules must be defined as triggers
由于check约束只能引用定义了列级或表级约束的列，表间的任何约束（在本例中是业务规则）都必须定义为触发器。