//to create a tableCREATETABLE students
( student_id number(4)primarykey,
last_name varchar2(30)NOTNULL,
course_id number(4)NULL);//to insert valueINSERTINTO students VALUES(200,'Jones',101);INSERTINTO students VALUES(201,'Smith',101);INSERTINTO students VALUE(202,'Lee',102);
#create a table and name itCREATETABLE test_name(#create some vars in the table like id, name, age and etc.
id INTNOTNULL,
name VARCHAR,
age FLOATNOTNULLPRIMARYKEY(id)#define the primary key of the table(primary key is a var that will never be the same in each column in the table it will be "unique" rise up for each column);
--****************** For More help, visit NAYCode.comCREATETABLE[table_name](
Col1 [datatype],
Col2 [datatype]CONSTRAINT[PK_Name]PRIMARYKEYCLUSTERED([Col1]ASC))