One of the problems with having plenty of development options is that it’s sometimes hard to figure out which one might be the best choice for your particular needs. Everyone wants as much flexibility as possible (as many choices as they can possibl
Oracle 官方数据仓库指南,讲解透彻,知识权威,强烈推荐! Oracle® Database Data Warehousing Guide 10g Release 2 (10.2) Contents: Part I Concepts 1 Data Warehousing Concepts Part II Logical Design 2 Logical Design in Data Warehouses Part III Physical Design 3 Physical Design
Usage: ora [-u user] [-i instance#] [] General -u user/pass use USER/PASS to log in -i instance# append # to ORACLE_SID -sid set ORACLE_SID to sid -top # limit some large queries to on # rows - repeat Repeat an coomand time. Sleep between two
Java Basics 1. What is the difference between JDK and JRE? 2. What is Java Virtual Machine (JVM)? 3. What are the different types of memory areas allocated by JVM? 4. What is JIT compiler? 5. How Java platform is different from other platforms? 6. W