huojia

今天碰到一个错，很典型。

1. 错误 ORA-12514

C:\Documents and Settings\Administrator>sqlplus icmadmin/fvt6eip@rmdb

SQL*Plus: Release 10.2.0.3.0 – Production on Fri May 23 01:53:46 2008

Copyright (c) 1982, 2006, Oracle. All Rights Reserved.

ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor

Enter user-name:

（阅读全文……）

http://www.orafaq.com/node/5

A transaction is started by any valid DML statement, including INSERT,
UPDATE, and DELETE. A SELECT statement will execute a query against the
database but not start a transaction. ROLLBACK and COMMIT will end a
transaction but start another one. SAVEPOINT defines a named marker in
your transaction that allows data before it to be committed and following it
to be rolled back when the ROLLBACK TO savepoint statement is issued.

最近做项目正好用到oracle，之前基本了解很少，正在苦读中。收集了一些好的站点和书籍推荐与此。

<–more–>

China Oracle User Group – 国内论坛，资料详尽。

Oracle 10g Online Documentation – Oracle 官方文档库，Oracle Conecpt , 2Days DBA 都不错。

http://asktom.oracle.com/ – 最具价值的Oracle技术资源基地。

推荐本盖国强写的《深入浅出Oracle》 ， 看了半本了，写的非常好，适合初学者。