freewater

摘要： In addition to update batching, Oracle JDBC drivers support the following extensionsthat improve performance by reducing round-trips to the database:■Prefetching rowsThis reduces round-trips to the database by fetching multiple rows of data eachtime data is fetched. The extra data is stored in clien 阅读全文

摘要： Note:■Oracle recommends that you use JDBC standard features whenpossible. This recommendation applies to update batching as well.Oracle update batching is retained primarily for backwardscompatibility.■For both standard update batching and Oracle update batching,Oracle recommends you to keep the bat 阅读全文

摘要： Statement caching improves performance by caching executable statements that areused repeatedly, such as in a loop or in a method that is called repeatedly. Startingfrom JDBC 3.0, JDBC standards define a statement-caching interface.Statement caching can do the following:■ Prevent the overhead of rep 阅读全文