修改ER图和DDL语言

6 months ago · c7ed1550c3
parent faec46c4b7
commit c7ed1550c3
2 changed files with 2 additions and 2 deletions
--- a/code/database/ddl.sql
+++ b/code/database/ddl.sql
@ -2,7 +2,6 @@ create table T_Drugs(
    ID          varchar(5),
    name        varchar(20),
    num         numeric(3,0),
-    unit_price  numeric(5,2),
    
    primary key (ID));
    
@ -51,6 +50,7 @@ create table T_Department(
 create table T_Type(
    d_id    varchar(5),
    n_id    varchar(5),
+    price   numeric(5,2),
    
    primary key (d_id),
    foreign key (d_id) references T_Drugs(ID),
--- a/document/ER_Diagram.erx
+++ b/document/ER_Diagram.erx