1. A method of managing a statement pool, the method comprising: identifying, from among a plurality of statements in a statement pool utilized by a database, a statement that requests data in a first format from a field in the database that stores the data in a second format; and modifying the identified statement in the statement pool using at least one processor to instruct the database to convert the data to the first format prior to returning the data; and tracking usage of at least a subset of the plurality of statements, wherein the modifying the identified statement is performed based upon the tracked usage, wherein the tracking usage includes tracking at least one of a number of times and a last time that each of the subset of statements is used.
2. The method of claim 1 , further comprising associating with the modified statement a usage statistic generated for the statement.