Oracle

Linux g++ compile C + + connection Oracle (OCCI) problems and Solutions Original: http://lshirley2009.javaeye.com/blog/811301 article Category: C + + programmingAs a result of the project, began to learn C + +, just contact for more than half a

1.select Name,log_mode from V$database; NAME log_mode------------------------------------------QUERY noarchivelog 2. Using the archive Log LIST command Database log Mode No Archive Mode Automatic archival Disabled Archive

ORACLE an in-depth analysis of the sensitivity of image names to case sensitive Note: 1,   This article is based on ORACLE9.2 for test Analysis version 2,   The Oracle reference name mentioned in this article includes the table name, view name,

User Management Create a user : The new user created has no permissions, and even the right to log on to the database does not have the right to specify the appropriate permissions. Sql> Create User usernameIdentified by passwordDefault tablespace

One: Problem description Two: The cause of the error Uploading the uncompressed Oracle installation software to the Linux server in Windows has resulted in three files being lost in execution permissions.Three: Solutions Give it the appropriate

Oracle title like% keyword% InStr (title, ' keyword ') difference Page wrote a search, I want to optimize the acceleration query, search the next found there is a InStr (title, ' keyword ')InStr (title, ' keyword ') >0 equivalent to the title like '

About star schema      In the construction of the Data Warehouse, the star pattern shown in the following illustration is almost the most commonly used. It is called star mode because the E-R graphic in the pattern is like a star (it feels strange

Create materialized view [view_name]Refresh [Fast|complete|force][On [Commit|demand] |Start with (start_time) next (next_time)]As{Create a query statement for materialized views} These are the common syntax for Oracle to create materialized views (

Oracle database exception type and code Exception Oracle Error SQLCODE Value Access_into_null ORA-06530 -6530 Case_not_found ORA-06592 -6592 Collection_is_null ORA-06531 -6531 Cursor_already_open ORA-06511 -6511

One. Comparison of oracle11g background process and 10GR2 We know that the background process of an Oracle database is typically named after the Ora_, and here's a look at the background processes in oracle11g, with a single node Oracle instance

Oracle is installed on this machine, do I need to install the client? For: You do not need to install, because the client is installed by default when you install Oracle. Therefore, your native sqlplus can be used, Sqlplus is the client. Except

Logically:Single Column Single-line indexConcatenated multiple rows IndexUnique Unique indexNonunique Non-Unique indexfunction-based Function IndexDomain Field IndexIn physics:Partitioned Partitioning Indexnonpartitioned Non-partitioned

[Disclaimer: This article is a study of the famous Oracle DBA Mr. Gai's masterpiece, "In-depth analysis of ORACLE--DBA introductory step and diagnosis case," the study notes and experience. In this statement, the text extracts some of the contents

Iv. use of events Event literal translation corresponds to the Chinese interpretation of the incident, but simply speaking of events is too abstract, for example to describe it. A (corresponding to an application, or a process in Oracle) suddenly

The driver packages from Oracle8 to ORACLE10,JDBC directories are different. Look at Oracle's documentation, understand their use, I believe you are sometimes very confused, write to share. These are the names of the driver packages under oracle10g

 The parallel (Parallel) operational feature is a technical feature of Oracle to make full use of server hardware processing resources, improve the operation efficiency of certain large amount of data, and deal with mass production data.

------------------Data Definition language-------------Data Definition language (language, DDL) completes creation, deletion, and modification of tables, views, indexes, users, and so on. --createTo create a table format: --create table

The use of Row_numbeR is very extensive, sorting is best used, it will generate an ordinal number for each row of the query, sorted and will not repeat, note that when using the Row_number function, you must choose to sort a column with the over

Foreword: MyBatis receive a LONG type in Oracle, Error: Invalid column type: Getclob not implemented for class Oracle.jdbc.driver.T4CLongAccessor CaseThere is a long type in the Oracle table, a variable-length string is stored in a Long data

The value of the field A1 in table A is all assigned to the field B1 in Table B, which is associated with the ID of the two tables.Mode 1:UPDATE Hbsz071001.tac_bank ASETa.bankno=(SELECTBanknoFromHbsz0611.tac_bank bWHEREA.bankid =