42. The system of claim 41 , wherein each of the one or more segments of SQL is associated with one or more performance parameters, and wherein the at least one scoring algorithm calculates an estimated performance metric for the target operation based on the one or more performance parameters associated with any of the one or more segments of SQL identified within the target operation.
42. The system of claim 41 , wherein each of the one or more segments of SQL is associated with one or more performance parameters, and wherein the at least one scoring algorithm calculates an estimated performance metric for the target operation based on the one or more performance parameters associated with any of the one or more segments of SQL identified within the target operation. 49. The non-transitory computer-readable medium of claim 42 , wherein each of the one or more language-independent representations of one or more operations or events identify one or more of a session, a user, a database server, a type of operation or event, a lexical structure of one or more messages associated with the operation or event, a parse structure of the one or more messages associated with the operation or event, a semantic structure of the one or more messages associated with the operation or event, and timing data related to the operation or event.