ORACLE-012: Automatic varchar2 and number conversion for numbers only in oracle, oracle-012varchar2
When an association query is used, the fields in the two tables define different types. One field is of the varchar2 type, and the other is of the number type. The content is as follows: '20160301' and 00187. In use, the varchar2 type is automatically converted to
There are several modes of locking in Oracle:0:none1:null Empty2:row-s line Sharing (RS): Shared table locks, Sub share3:row-x Line Exclusive (RX): For row modifications, sub Exclusive4:share shared Lock (S): Prevents other DML operations, Share5:s/row-x shared Row Exclusive (SRX): Block other transaction operations, Share/sub exclusive6:exclusive Exclusive (X): Independent access use, exclusive
The types provided by 1.
export or after the import recompile. The stored procedure did not import successfully, so I finally took advantage of Navicat to import the stored procedure successfully.Note: (1) To ensure that two databases have the same character set, if the difference will be an error. I checked the next two database character sets are the same, so I'm not sure what is wrong with the specific report. To view the database character set:SELECT * from V$nls_parameters WHERE PARAMETER in (' Nls_characterset ',
How to uninstall oracle and uninstall oracle
Oracle Database, also known as Oracle RDBMS, or Oracle for short. It is a relational database management system of oracle. It still occupies a major share in the database market. Lawren
How RAC Works and related components (iii)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This document is
As one of the mainstream databases in the current market, Oracle databases are developed on many applications. Due to the reasons for upgrading Oracle databases and different application providers, several Oracle versions may exist in an application unit, such as Oracle 7, Oracle
How to uninstall the "hidden oracle" software installed after an error is reported, and the hidden oracle
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Manually uninstall Oracle in Windows and oracle in windows
There is a problem with uninstalling the Oracle Al Installer that comes with Oracle: it is not clean, not complete, and there are some residual registries, which will affect subsequent installation. Therefore, we recommend that you manually uninstall
ALL_TAB_PRIVS_RECD represents the permissions on an object that the user is public or grantee
Dba_col_privs all authorizations on the database column
Dba_role_privs show roles that have been granted to a user or other role
Dba_sys_privs system permissions that have been granted to a user or role
Dba_tab_privs all permissions on a database object
ROLE_ROLE_PRIVS displays the roles that have been granted to the user
ROLE_SYS_PRIVS displays system permissions granted to users through roles
This article describes how to install Oracle 11gR2 (11.2.0.3) in Oracle Linux 6.3 ). Since Oracle 11g, the official Oracle website does not provide a download link for its Patch. You need to use the Meatlink account to download the Patch. Do not worry about the kids shoes. If you do not have a Metalink account, you can
Oracle Performance Analysis 5: Index Structure and scan mode of data access methods, oracle Index
The previous article describes full scan. This article describes the index structure and scan methods, and describes each scan method later.When Oracle searches for the values of a specific column or multiple columns through an index, it performs an index scan. First
I. Overview of Oracle Architecture:Oracle's architecture refers to the composition of the database, the working process and principle, and the Organization and management mechanism of the data in the database. To understand the architecture of the Oracle database, you must understand the important concepts and major components of the Oracle system.The
Oracle concept (Oracle 10.2)
10. Application Architecture
This chapter defines the application architecture and describes how Oracle database servers and database applications work in a distributed processing environment. This architecture can be applied to almost any type of Oracle Database system environment.
This ch
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