Oracle

With the continuous upgrade of the Oracle database version, 9i 10g 11g, the database driver is constantly changing until the latest ojdbc6.jar, the only constant bug.Recently, Oracle 11.1.0.6.0-production + JDBC 4.0 complied with jdk6 was

Cause: the password of the Oracle SYS system is lost: The process is as follows: 1. Oracle login: sqlplus/As sysdba, prompting you that you do not have the permission. The oralce user does not have the permission. Root Login to Oracle with

# Listener. ora network configuration file:/opt/Oracle/product/9.2/Network/admin/listener. ora # Generated by Oracle configuration tools. Ora92 = (Description_list = (Description = (Address_list = (Address = (Protocol = TCP) (host = 192.168.2.2

The system table for storing the attribute names in the Oracle table is dba_tab_columns. You can check all the attribute names from this table, Set pagesize 0 -- set the page size. 0 indicates no limit. If it is set to 10, the second blank row

SQL statement: Create user zzsymyos identified by ***** default tablespace users temporary tablespace temp quota 100 m on users; In this example, a user named zzsymyos is created. The password is ***, the default tablespace is users, the

The ORA-00600 (ORA-600) error is a generic internal error from Oracle, and you must look-up The Numeric arguments to understand the nature of the internal error. A typical ORA-00600 error does not include descriptive text and might look like this,

The current time in Oracle is as follows: Begin logs ---------------------------------------------------------------------------------------------------------------- Sysdate + 1 plus one daySysdate + 1/24 plus 1 hourSysdate + 1/(24*60) plus 1

1. Functions in OracleFunctions can be combined, such as: Select name upper (substr (name, 2, 8 ))...1) Single Row FunctionCharacter functions, numeric functions, conversion functions, date functions, regular expression functions (10 Gb)A Conversion

I. Create a tableCreate Table Book (Bookid varchar2 (50 ),Bookname varchar2 (50 ),Publisher varchar2 (100 ),Price float,Constraint pk_book primary key (bookid )); Insert into book values ('001-22-23-1 ', 'jsp Application Development details',

(1) network configuration file# Tnsnames. ora network configuration file: e:/Oracle/Network/admin/tnsnames. ora# Generated by Oracle configuration tools. Element1 =(Description =(Address_list =(Address = (Protocol = TCP) (host = 192.168.0.181) (Port

Sometimes, during project development, database tables may be deleted by mistake. To avoid this problem, how to strictly control whether a user cannot perform the drop permission on his/her own database requires relevant settings. Because the

Document directory How to Learn from the Oracle-eygle method experience How to Learn from the Oracle-eygle method experience Author: eygle was last updated at |English versionCopyright Disclaimer: During reprinting, you must use hyperlinks to

 Problem description: The following error occurs when you connect to the Oracle 10.2.0.1.0 database using JDBC today: Connection refused (description = (TMP =) (vsnnum = 153093120) (ERR = 12505) (error_stack = (error = (code = 12505) (emfi = 4 ))

   --------------------------------------------------------------------------------  Oracle import/export tools (Import/Export) are recommended for migration between Oracle databases. Although we can also use third-party software such as the reverse

1. What is registration? Registration is to register the database as a service to the listener. The client does not need to know the Database Name and Instance name. It only needs to know the service name provided by the database to external users

1. Concept of ROWID StorageThe specific location of the row in the data file: 64-bit encoded data, A-Z, a-z, 0-9, +, And /, Row Storage in data blocksMethod Select rowid, last_name FROM hr. employees WHERE department_id = 20; For example:

OLAP is called online analysis, which is actually a report system and BI system. the BI system is a set of products here. both analysis and reports are developed using stored procedures. One is provided online to users, and the other is provided

Sometimes the database administrator needs to monitor, adjust, view, and test the production database. Production Databases cannot be moved randomly. Even if they are not in disorder, they have to take on a huge amount of pressure. If the accident

There are two ways to write SQL statements:   Oracle compiler PL/SQL program blocks are divided into two types: one is the early compilation (early binding), that is, the SQL statement has been determined during program compilation, and most of the

Scenario: WSAtomicTransaction11 is used in the communication of WCF to manage distributed transactions in Oracle. For more information, see MakeCert.exe wsatui. dllDownload (including 64-bit, 32-bit) 1. Add a trust certificate Use Windows sdkstool