There exists a Prepared Statement in Java and that we hear that it's not the same as Statement in the manner this prepared statement do not need to be put together each time it's used.
My real question is where's this Put together Statement saved ? Within the Client code that utilizes it or perhaps is it saved through the Database ?
Why would a DB Store a Put together statement and when it will compared to how lengthy ?
Databases possess a query cache, meaning whenever you perform query the database caches the parsed/put together query and perhaps the query intend to eliminate future computations.
The prepared claims are usually cached first in the application level, in which the application container accounts for controlling the claims cache. Most application containers have choices to control the prepared claims cache (eg: glassfish).
As you can tell here, the primary difference is much like you mentioned: with prepared claims, the applying reduce the price of producing exactly the same statement again and again. Like a side note, for many application containers the statement should be the identical (whitespace incorporated) to be able to be used again properly, so be cautious when utilizing hands-written queries.