SimpleDB is a simple database. SimpleDB has the following primary feature:

• Support basic sql operations, like "select", "from", "where", "group by", "max", "min", "avg", "count", "rollback", "commit", "insert", "delete", "values", "into".
• Support multiple-table operations.
• Implement a simple query optimization schema
• Support transaction, ensure ACID properties.

More bottom details

• Slice data files into pages.
• Implement a buffer pool to manage the pages.

Usage sample

1. (under terminal)ant dist
2. java -jar dist/simpledb.jar parser data/dblp_data/dblp_simpledb.schema load schema and data, get into database simulation terminal
3. select p.title from papers p where p.title like 'selectivity';execucate normal sql statements.