diff --git a/cs b/cs
new file mode 100644
index 0000000..597c854
--- /dev/null
+++ b/cs
@@ -0,0 +1,42 @@
+create database cs;
+
+use cs;
+
+create table ygxx(    #员工信息表
+Ygbh char(8) not null primary key,   #员工编号
+Name varchar(8) not null,     #姓名
+Sex Char(2) not null,     #性别
+Zw varchar(10) not null,   #职务
+Kl varchar(20) not null,    #口令
+Qxjb char(1) not null,     #权限级别
+Sfzh Char(18),   #身份证号
+ssbmbh char(4)   #所属部门编号
+);
+
+
+create table bmxx(
+bmbh char(8) NOT NULL primary key,
+bmmc varchar(4) not null);
+
+create table spxx(
+Spbh char(8) not null primary key,
+Spmc varchar(20) not null,
+Sslb char(8) not null,
+Jg FLOAT(10,2) not null,
+sl int(4) not null);
+
+create table supplier(
+Gysbh Char(8) not null primary key,
+Gysmc varchar(8) not null,
+Dz varchar(20) not null,
+Yzbm char(6) not null,
+Dhhm varchar(15) not null,
+Sh varchar(3) not null,
+Yhzh varchar(20) not null,
+Khyh varchar(8) not null,
+Lxr varchar(8) not null,
+beizhu varchar(16));
+
+show tables;
+
+desc bmxx;