title: Add constraints to tables in Sqlite
body: <p>I am adding constraints to tables in Sqlite as following:</p>
  
  <pre><code>alter table TagsI18N
  add constraint FK_TagsI18N_TagId foreign key (TagId) references Tag(Id) on delete cascade on update cascade,
      constraint FK_TagsI18N_LanguageCode foreign key (LanguageCode) references [Languages](Code) on delete cascade on update cascade;
  </code></pre>
  
  <p>I was using this code in SQL Server database but is not being accepted in SQLite.</p>
  
  <p>How can I create such a constraint in Sqlite?</p>