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 ',
1. Products used: ArcSDE 9.3 + Oracle 10.2.0.1
2. Problem description: arcmaploud is used for spatial data, and the operation is performed within several minutes. The arcmapis does not respond, the CPU usage of the data warehouse server is 100rmb, and the number of gsrvr.exe processes is 10 +.
3. Solution: Upgrade Oracle from 10.2.0.1 to 10.2.0.3 or. 2.0.4.
4. Cause: According to ESRI engineers, oracle10
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
How to uninstall the "hidden oracle" software installed after an error is reported, and the hidden oracle
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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
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
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
Oracle 10g and Oracle 11g hand-built case--oracle 10gSystem environment:Operating system: RedHat EL6Oracle:oracle 10g and Oracle 11gThe Manual construction of the library is relatively easy to implement, this case is from 10g and 11g, by hand to build a library to do a simple control, can see 11g and 10g a simple diff
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
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