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Create Database

Method 1: Create a database schema using a file:

$ sqlite3 mydatabase.db < db.schema 

Method 2: Create schema manually (and then enter SQL commands at the prompt to create and populate the new tables):

$ sqlite3 mydatabase.db
sqlite> create table greetings(one varchar(10), two smallint);
sqlite> insert into greetings values('hello!',10);
sqlite> insert into greetings values('goodbye', 20);
sqlite> select * from greeting;
$ sqlite3 mydatabase.db
sqlite> CREATE TABLE product (
   ...>   id int(11) primary key autoincrement,
   ...>   name varchar,
   ....>  description text,
   ...>   price real
   ...> );
sqlite>

Method 3: Create table by importing CSV file:

$ sqlite3 mydatabase.db
sqlite> .mode csv
sqlite> .import C:/work/somedata.csv tab1
Alter Table
ALTER TABLE table_name
  ADD new_column_name column_definition;
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