'Valid date' presentation slideshows

SQL

SQL. DDL (Data Definition Language) Create Alter Drop Truncate Comment. SQL. DML (Data Manipulation Language) Insert Update Delete Call Explain plan Lock Table. SQL. DCL (Data Control Language) Commit Savepoint Rollback Set transaction Grant Revoke. SQL.

384 views • 23 slides

Data Checking

Data Checking. Applied Database II. File structure. A database consists of a number of related files . A file consists of a number of related records . A record consists of a number of related fields . A field is a single data item consisting of a number of characters.

340 views • 21 slides

Introduction

Introduction. I dreamt to be a professional teacher and let my students love my subject. Since I loved science I intended to be a science ( major chemistry) teacher.

185 views • 11 slides

Format and Consistency Checks

187 views • 10 slides