oracle character

Oracle Chinese character to PinYin (get full spell/pinyin first letter/pinyin interception, etc.) effect: Oracle Character Set GBK no problem, UTF-8 need to modify the SQL code-oracle Chinese character to PinYin PACKAGE-- 1. Obtain the full spelling

Oracle date functions/character functions/numeric functions/conversion functions/Aggregate functions Oracle date functions: [SQL] MONTHS_BETWEEN: returns the difference of the month between two dates MONTHS_BETWEEN ('01-EP-95 ', '11-JAN-94 ') ==> 19.

1. Waiting for monitoring cases:Select event, sum (decode (wait_time, 1) Prev, sum (decode (wait_time, 0) curr, count (*)From v $ session_waitGroup by event order by 4;2. rollback segment contention:Select name, waits, gets, Waits/gets ratio from V $

---- There are many users who use ORACLE as a database management platform in large and medium-sized database management systems at home and abroad. ORACLE is beyond review in terms of both database management capabilities and security. However, it

  Processing date in Oracle To_date formatDay:Dd number 12Dy abbreviated FriDay spelled out FridayDdspth spelled out, ordinal twelfthMonth:MM number 03Mon abbreviated MARMonth spelled out MarchYear:YY two digits 98Yyyy four digits 1998 The time

SQL Server Date and Time Processing set When the convert date conversion format is 20 or 120, the resulting string does not contain milliseconds.For example, select convert (varchar (23), getdate (), 120 or 20)21:46:43 When the date conversion

Analysis of Character Set problems in Oracle databases I often see some questions about Oracle character sets. I 'd like to introduce them in an iterative way. First iteration: master the basic concepts of character sets.Some may think that this is

Why can Oracle varchar2 (4000) connect with the JDBC thin driver only store 666 Chinese characters? Who says they can only store 666 Chinese characters? Varchar2 is a maximum of 4000 bytes, So it depends on your Oracle character set. If the

Nice http://blog.sina.com.cn/s/blog_517d1cb00100se0v.html page background Http://note.sdo.com/network notepad Http://www.vogella.de/articles/Findbugs/article.html Good

There are many users who use ORACLE as a database management platform in large and medium-sized database management systems at home and abroad. Oracle is beyond review in terms of both database management capabilities and security. However, it

Solution to Oracle tnsping failure after firewall is enabled on Windows 2008 1. solution:Simply put, the Windows 1521 firewall has blocked the Oracle port. Just create and enable it. Of course, if your listener is another port, open the other ports

Use exp/imp to migrate data, especially between different versions and between different systems,Of course, we recommend that you use expdp/impdp to import and export data. The following is a brief introduction to the basic operations of exp and imp.

Solution to ora-12899 errors in Oracle databases, oracleora-12899 ORACLE may cause various problems and errors, the ORA-12899 is a problem that occurred some time ago when I imported data to my local machine. but fortunately, this problem has been

In Windows, sqlplus is completely normal, but in Linux, there is a problem with sqlplus Chinese display, always displaying "?", How can this problem be solved? The solution is as follows: In fact, it is easy to set exit sqlplus and set the

Created: Article attributes: original Article submission: T_Torchidy (jnchaha_at_163.com) Oracle web Environment Injection Technology## BY Jianxin# Http://www.loveshell.net/# Preface I am not a professional database administrator, nor a researcher

Http://cwbboy.cnblogs.com/archive/2006/03/22/356017.html You can access a database on the. net platform in the following ways:1. OleDB database access program,2. ODBC Database Access Program,3. proprietary database access programs. For example,

The jdbc encoding is set when java connects to the database. I found that there are a lot of pitfalls on the Internet, and many meanings are incomplete. For example, when jdbc is connected to the mysql database, set the character set encoding.

1. Waiting for monitoring cases Select event, sum (decode (wait_time, 0, 0, 1) "Prev ",Sum (decode (wait_time, 0, 0) "curr", count (*) "tot"From v $ session_waitGroup by event order by 4; 2. rollback segment contention Select name, waits, gets,

View Oracle character encoding:SQL>Select * From nls_database_parameters; Follow these steps: SQL> shutdown immediate;/* shut down the database to re-mount and log on */ SQL> startup Mount; SQL> alter system enable restricted session; SQL>

  I have compiled an article about how to view and modify character sets.Article: View and modify Oracle Character Set Http://blog.csdn.net/tianlesoftware/article/details/4915223   You can modify the nls_lang parameter to set the character