4. SQLMY-create a score sheet and insert data into the table
-- create a score sheet and insert data into the table
Create table SC (Scid varchar (10), Cid varchar (10), score decimal (18d1))
-- insert data into the table
Insert into SC values ('01',' 01', 80)
Insert into SC values ('01',' 02', 90)
Insert into SC values ('01',' 03', 99)
Insert into SC values ('02','01', 70)
Insert into SC values ('02','02', 60)
Insert into SC values ('02',' 03', 80)
Insert into SC values ('03',' 01', 80)
Insert into SC values ('03','02', 80)
Insert into SC values ('03',' 03', 80)
Insert into SC values ('04','01', 50)
Insert into SC values ('04',' 02', 30)
Insert into SC values ('04',' 03', 20)
Insert into SC values ('05',' 01', 76)
Insert into SC values ('05',' 02', 87)
Insert into SC values ('05',' 03', 88)
Insert into SC values (06', 01', 31)
Insert into SC values ('06',' 03', 34)
Insert into SC values ('07',' 02', 89)
Insert into SC values ('07',' 03', 98)
Insert into SC values ('08',' 01', 90)
Insert into SC values ('08',' 02', 88)