Update README.md

README.md

@@ -10,6 +10,8 @@ widget:
   example_title: "example1"
 - text: "<schema>CREATE TABLE system(JobID: String,GID: String, UID: String,Submit: Time , Start:Time(yyyy/mm/dd), End: Time,ElapsedRaw: Time, CPUTimeRAW: Time,NCPUS: Number,NNodes: Number, NodeList: List,  State:String, Timelimit: Time);</schema><question>Write sql query to get UID for JobID 20 that Start on Jan 20 , 2010 and end on March 10 , 2012 </question><sql>"
   example_title: "example2"
+- text: "<schema>CREATE TABLE department (Department_ID number, Name text, Creation text, Ranking number, Budget_in_Billions number, Num_Employees number) which has Department_ID as primary key abd CREATE TABLE head (head_ID number, name text, born_state text, age number) which has head_ID as primary key and CREATE TABLE management (department_ID number, head_ID number, temporary_acting text) which has department_ID as primary key</schema><question>"
+  example_title: "example3"
 tags:
 - code
 - sql