Oracle

When checking the backup output script in the database today, an error occurred in the Rman backup. This article traces the error message and looks for directions to locate the problem. According to the previous problem description, the problem is

When you are learning Oracle, you may experience an Oracle index scan problem, and here's how to solve the Oracle index scan problem, and share it here. There are 4 types of Oracle index scans, depending on the type of index and the WHERE constraint:

Oracle provides us with very rich aggregate functions, such as Sum\avg\max. In addition, we can write our own aggregate functions, of course, custom aggregate functions can also be used as analytic functions. Custom aggregate functions are not much

Platform: Windows SP3 server Database: Oracle 9.0.1.1.1 Site Description: Users complain that not multiple units at the same time data processing, the implementation of the error message is: sql> exec sp_hyb_da_ryxx_dwbh_test (' 331028 ') BEGIN

The format of the timestamp data is the same as the date data. Note that the TO_CHAR function supports date and timestamp, but Trunc does not support timestamp data types. This has made it clear that using the timestamp data type is more accurate

Physical memory – This prerequisite will test whether the total physical memory of the system is at least 922MB (944128.0KB). Expected value: N/A Actual value: N/A Error List: – Available Physical memory PRVF-7531: Unable to perform physical memory

Overview： Oracle database is currently the industry's most commonly used large database systems, I encountered in the actual project ORA-00257 error (lack of space error), by looking for information, most of this is due to the archive log too much,

Oracle|word Database-built users cannot authenticate to the database until the database is started. The password file holds the username and password of the Sysdba/sysoper user, allows the user to authenticate by password file, log in before the

oracle| problem ORACLE interview Questions-Technical articles (2) 21. How to determine the time zone of the database? Answer: SELECT dbtimezone from DUAL; 22. Explain the purpose of global_names set to True Answer: Global_names indicates how the

Sybase Company was founded in 1986, based on the open system platform to develop a client/server architecture of the database system software products. Sybase was a great success when it effectively learned the advanced technologies and concepts in

Symptom: c/S program originally run normally, once reload system, reload Oracle client, insert date format data, appear problem error. Solution: Oracle Time Format Discussions Many Oracle new scholars on the internet have been annoyed by the time

There are generally 2 ways to connect to Oracle in a JSP: 1, Oracle jdbc Oci8 Way 2, Oracle jdbc Thin way I prefer the 2nd, because the Web publisher and the database server are generally not on the same computer, and when using thin connection,

Sql*loader is an Oracle data-loading tool that is typically used to migrate operating system files to an Oracle database. Sql*loader is a large data The Load method that the warehouse chooses to use. Under NT, the Sql*loader command is Sqlldr,

This error is rather strange, setting Autotrace is a sp2-0611 and ORA-942 error. Version 11.2 for Linux x86-64: Sql> CONN Test/test is connected. sql> SET Autot TRACE An error occurred while collecting statistics ORA-942 sp2-0611: Error while

First, the preparation of logical standby 1, confirm the operation of the object and statement can be logically standby support Because the logical standby is to maintain synchronization with the primary database through SQL applications. SQL

Summary The 4th method of dynamic SQL uses Sqlda (the SQL Descriptor area) and Oracle to Exchange data to perform SQL statements that do not know the number and type of select table entries or virtual input host variables until the program is run.

The Oracle database 10g uses data pump technology that enables DBAs or developers to quickly move database metadata (object definitions) and data to another Oracle databases. The role of Data Pump export import (EXPDP and IMPDP): 1, the

Little brother to encounter an Oracle update problem, ask you to help: There are several records in the Zz_file, similar in format: (zz01 zz02) gpyi010 apyi/gpyi010 gpyi020 apyi/gpyi020 ..... The younger brother wants to zz01 the Gpy the

Recently saw a lot of people talk about TNS or database can not log in and so on, simply summed up the following dongdong. First of all, Oracle's network structure, to complex to say can add encryption, LDAP and so on. There is no discussion here,

There are also many ways to search for text in an Oracle database without using the Oracle text feature. You can use the standard InStr function and the LIKE operator. SELECT　*FROM　mytext　WHERE　INSTR　(thetext,　 'Oracle')　>　0;