9.1.2 Structured Query Language-Database
- 2. CS 0478 Candidates should be able to: Learning Objective • Read, understand and complete structured query language (SQL) scripts to query data stored in a single database table
- 3. CS 0478 • Define a single-table database from given data storage requirements STUDENT STUDENT-TEACHER
- 4. CS 0478 Retrieval of data from a database - the SELECT Statement The SELECT statement is the simplest of SQL statements and is used to find information within a database. A SELECT statement comes in four main parts:
- 5. CS 0478
- 6. CS 0478 Cross Table Query When you want to return data from more than one table there are two ways it can be done. The original method is to use a WHERE statement but the more modern method is to use a JOIN statement. For the purposes of the examinations it will not matter which method pupils use in their answers.
- 8. CS 0478 The Modern Method