oracle to integer

Always feel that the Java Foundation is good, but the first see (integer) 129 = = (integer) 129 expression can not immediately reflect the result is true or false, may wish to first look at the following simple Java program: Package

Oracle basic concepts and comparison with informix I. ConceptsUser: informix directly uses the user management system of the operating system. Generally, root and informix are used as super operators to manage other users. Oracle has its own user

Oracle's architecture is broadly divided into two parts: Instance (instance) and database. Instance (example) : The SGA is mainly included in Oracle Instance and some processes (for example: Pmon, Smon, Dbwn, LGWR, CKPT, etc.). If a user's

Oracle Study-Oracle RAC reconstruction Control File System Environment:Operating System: AIX5.3 Cluster: Oracle 10gR2 CRSOracle: Oracle 10gR2 Rebuild the control file in the RAC environment is similar to that in a single instance, but note the

One of Oracle asm kfed tools, asmkfed [root@localhost db_1]# su - oracle[oracle@localhost ~]$ cd /u01/app/oracle/product/10.2.0/db_1/rdbms/lib[oracle@localhost lib]$ pwd/u01/app/oracle/product/10.2.0/db_1/rdbms/lib[oracle@localhost lib]$ ls -lrt

The Oracle time format and integer format are converted to each other, and the oracle time format is integer. If the time field of the Oracle database is set to the "NUMBER" type, the query Time column is displayed as a numerical value, such as the

  I. Oracle case 1. Oracle instancesSystem global area (SGA) and background process are used as database instances. 2. Oracle DatabaseA collection of physical files (data files, control files, online logs, parameter files, etc) 3. system global area

Oracle BASICS (9) Oracle architecture and oracle infrastructure 1. Oracle Architecture Overview: Oracle architecture refers to the composition, working process and principle of the database, as well as the organization and management mechanism of

Reprinted from: http://blog.csdn.net/leshami/article/details/5784713Oracle can save online log files to many different locations, and the process of converting online logs to archived logs is called archiving. The corresponding log is called the

In a production environment, DBAs tend to face dozens of of hundreds of g of data, or even the T-level, file system storage data files in these situations, I/O problems will gradually exposed, so the data storage in the production environment