function Retval = Gfun_741(x) % Inequality constraint vector Retval = [(2.5509*x(1)*x(1) +0.1361*x(1) -33.148*(x(1)^4 - x(2)…
Constraint 源代码
CONSTRAINT子句是指限制和索引相似,虽然限制也能被用于建立和另一个表的关联。用ALTERTABLE和CREATETABLE语句中的CONSTRAINT子句来建立或删除条件.CONSTRAINT子句可分为两种类型:第一种是在单一字段上创建条件;第二种是在一个以上的字段上创建…
ALTER TABLE Employees DROP CONSTRAINT ID_Constraint
ALTER TABLE Employees DROP CONSTRAINT City_def
ALTER TABLE Employees DROP CONSTRAINT ID_check
alter table scott.student disable constraint "导师编号外码";
alter table person drop constraint uni_noname
alter table dept drop constraint pri_deptno
alter table pay drop constraint fk_no
alter table pay drop constraint check_base
alter table scott.student disable constraint "导师编号外码";