HSC ICT Chapter 6 HSC ICT Chapter 6 : Comprehension Based Questions & Answers Sixth Chapter: Knowledge Based Questions & Answers Sixth Chapter Lesson-10: Database security. Sixth Chapter Lesson-9: Corporate database and database in government organizations Sixth Chapter Lesson-8 : Database Relation and it’s classification. Sixth Chapter Lesson-7: Database Model and Different key fields. Sixth Chapter Lesson-5: Different SQL commands of database. Sixth Chapter Lesson-4: Database queries, Query Languages and Different operators. Sixth Chapter Lesson-3: Creating database & table and field’s data type. Sixth Chapter Lesson-2: Database Management System(DBMS) and RDBMS. Sixth Chapter Lesson-1: Concept of Database.