Getting about Block 3.
Block 3 - Part 1
Introduces the background to SQL.
Block 3 - Part 2
How to retrieve data using simple queries.
Block 3 - Part 3
Looking at the functions used in simple queries.
Block 3 - Part 4
Searching with the WHERE clause.
Block 3 - Part 5
Manipulating the data with operators.
Block 3 - Part 6
Multiple-table query processing using joins.
Block 3 - Part 7
Working with the same table by aliases and self joins.
Block 3 - Part 8
Querying with the GROUP BY clause.
Block 3 - Part 9
Inserting, modifying, deleting and generally updating tables.

