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Index
J
Java API, 625–644
connection methods, 627–629
example, 642–644
general methods, 625–626
ResultSet methods, 633–639
ResultSetMetaData methods, 639–641
SQLException methods, 641–642
statement and prepared statement methods, 629–633
Warning methods, 642
JOIN statement, 490
join_buffer_size variable, 383
joining tables, 32–35
joins, 29, 67, 84–96
calculating number of rows needed to search, 164
EXPLAIN statement to indicate type, 159–161
full outer, 89
inner, 86
left (left outer), 87–89
natural, and USING keyword, 90– 91
normalization and, 237
optimizing, 164–169
returning results found in only one table, 91–92
right (right outer), 89
sub-selects, 94–95
rewriting as joins, 95–96
UNION to join results, 92–94
