command to use table in sql code example

Example 1: how to create table in sql

//to create a table
CREATE TABLE students
( student_id number(4) primary key,
  last_name varchar2(30) NOT NULL,
  course_id number(4) NULL );

//to insert value
INSERT INTO students VALUES (200, 'Jones', 101);
INSERT INTO students VALUES (201, 'Smith', 101);
INSERT INTO students VALUE (202, 'Lee' , 102);

Example 2: create db table

CREATE TABLE table_name (
    column1 datatype,
    column2 datatype,
    column3 datatype,
   ....
);

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