@@ -21,7 +21,7 @@ The database system is written in Python and attempts to simulate how a database
*`disk_relations.py`: This module contains the classes Block, RelationBlock, Relation, and a few others helper classes like Pointer. A Block is a base class,
that is subclassed by RelationBlock and BTreeBlock (in `btree.py` file). A RelationBlock contains a set of tuples, and a Relation contains a list of RelationBlocks.
*`queryprocessing.py`: This contains naive implementations of some of the query processing operators, including SequentialScan, NestedLoopsJoin, HashJoin, and SortMergeJoin. The operators are written using the iterator `get_next` interface, which is discussed in Chapter 12.7.2.1.
*`queryprocessing.py`: This contains naive implementations of some of the query processing operators, including SequentialScan, NestedLoopsJoin, HashJoin, and SortMergeJoin. The operators are written using the iterator `get_next` interface, which is discussed in Chapter 15.7.
