Oracle

1. When Oracle setup is used in Windows 7 to start the installation, a"ProgramAn internal error occurred. Please provide the following documents to the Oracle Technical Department" Unknown Unknown Unknown Solution: Right-click setup and choose

Go to cmd: -- Enter with sys account Sqlplus sys/admin as sysdba; -- Create a tablespaceCreate temporary tablespace sms_tempTempfile 'e: \ oracle \ product \ 10.2.0 \ oradata \ orcl \ sms_temp.dbf' size 20 mAutoextend on; Create tablespace

For the technical content of Oracle databases that DBAs need to master, the training content developed will involve the following content.     1. Oracle Installation and upgrade (including hardware, network and database planning and design before

This command is always forgotten, so I wrote it directly on my blog for future reference. Every time I use it in the province, I will check it online. After summing up, the following command can basically solve the problem:

Scalar Query Oracle allows a single-row subquery to be included in the select clause. Using scalar queries can effectively improve performance. When using external connections or using aggregate functions, we can consider the possibility of scalar

Use this SQL statement select * from tree View the raw data as follows: The following figure shows the result of a tree query (including the fields root, level, is_leaf, and Path ):   Execute the following SQL statement: select

Failed to obtain WLS edit lock; it is currently held by user weblogic. This indicates that you have either started a WLS change and forgotten to activate it, or another user is refreshing Ming WLS changes whichHave yet to be activated. the WLS edit

Note, the Oracle site found that the method written in this article is no longer in favor of use, see: http://download.oracle.com/docs/cd/B12037_01/java.101/b10979/conncache.htm A third-party application system uses the sqlserver database, which is

Simplified Oracle client program   Http://blog.chinaitlab.com/user1/22250/archives/2005/21288.html   Richard Chen posted on 9:28:00   I tried to use tnsping to test the network conditions on a

Oracle unlocking and locking (for HR Users)   SQL * Plus: Release 9.2.0.4.0-production on TUE Jul 14 18:12:38 2009   Copyright (c) 1982,200 2, Oracle Corporation. All rights reserved.   SQL> conn sys/sys as sysdba Connected. SQL> show user User is

In Oracle development, the conditional expressions between If and then are full of "art" and require us to discover and appreciate them. Appreciation 1: Three-value Logic If an expression contains a null value, what is the final result of the

If you want to view the DDL statements of a table or table space or other database objects, you can use the Oracle function dbms_metadata.get_ddl () to obtain the DDL statements. This function has the following parameters: -- Object_type --- object

Oracle imp Command Parameters Blog type:  Oracle Import and Export Oraclecc ++ C # Ii. IMPC: \> imp help = y You can enter the IMP command and your username/password.Command with your username/password: Instance: IMP Scott/Tiger Alternatively,

Guidance:The following are number examples forTo_charFunction.To_char (1210.73, '192. 9') wocould return '192. 7'To_char (1210.73, '20140901') wocould return '20160301'To_char (1210.73, '$9,999.00') wocould return '$1,210.73'To_char (21, '20140901')

Oracle "connect by" is a hierarchical query clause, which is generally used for tree or hierarchical query of result sets. Its syntax is: [ START WITHcondition ]CONNECT BY [ NOCYCLE ] condition   The start with .. connect by clause can be used to

A useful feature for any type of programming is the ability to store and use temporary data. oracle provides us this ability with temporary tables. these temporary tables are created just like any other table (it uses some special modifiers), and

Link: http://www.eygle.com/archives/2010/06/asm_format_dictionary.html   In the last week, I have helped multiple users recover data and saved databases in distress. I would like to share with you the following cases: Case 1: Misoperation and

  Posted on: http://www.idb-stock.net/idb/2011/06/23/184.html   Session IDs are very useful in some auditing and statistical analysis. This article describes common methods to obtain the Oracle session ID:1. Obtain the session ID (SID) of the

SQL statements for Oracle database monitoring 1. Waiting for monitoring cases:　　Select event, sum (decode (wait_time, 1) Prev, sum (decode (wait_time, 0) curr,　　Count (*) from V $ session_wait group by event order by 4;　　2. rollback segment

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