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ORACLE-013: kill deadlock process in oracle, oracle-013oracle In oracle, stored procedures or functions that frequently access packets may cause deadlocks. Scripts of deadlocked objects cannot be run, causing freezing or an exception: too many connections are opened. In this case, you need to use the dba account to k

ORACLE-018: ORACLE tip 001 string processing, oracle-018oracle 1. truncate a string Oracle uses a function substr to intercept a string. The parameter is substr (string, start position, and truncation length ), For example, if the string 123,112 needs to be removed by a comma, the truncation function is as follows:

Method One: Use the Pl/sql Developer tool to export:Menu bar---->tools---->export Tables, the following figure, set the relevant parameters can be: Method Two: Use CMD's Operation command to export, the details are as follows:The 1:g:\oracle\product\10.1.0\client_1\network\admin directory has a Tnsname.ora file that reads as follows: Copy Code code as follows: Cmstar = (DESCRIPTION = (Address_list = (address = (PROTOCOL = TCP) (H

Oracle User Management First, the concept of the user Users, or user, is a popular way to access Oracle database "people." In Oracle, the user's various security parameters can be controlled to maintain the security of the database, these concepts include schemas, permissions, roles, storage settings, space quotas, access resource constraints, database auditing

EXP Export Oracle database table: (as native administrator), refer tohttp://jiqinlin.iteye.com/blog/758469 Export TABLE: Exp username/password @localhost (IP address): Port number/Database instance name file= local address \ Want to generate an indication. DMP owner= (username, Password) eg:exp C # #tjuser/TJUSER@LOCALHOST:1521/ORCL file=c:\adc160624.dmp owner= (C # #tjuser, Tjuser)//tables under the current user database name, instance Name query: (A

Tags: process build rail info from BSP content lag stop For non-Oracle DB, SQL Server is a sample description: My train of thought A:oracle DB production B:oracle DB Intermediate machine C:sqlserver db destination a-> b->c Note: B on both the rep process also has the EXT process, at this time. There is also a need to establish a rep process for B.A->b can complete the online initialization synchronization (EXPDP based on SCN number)After the initializ

Tags: Oracle goldengate initial Load methodNon-Oracle DB is illustrated with SQL Server as an example:My train of thoughtA:oracle DB production B:oracle DB Intermediate machine C:sqlserver db destinationa-> b->c Note: B on both the rep process and ext process, at this time, C also need to establish a rep process for B.A->b can complete the online initialization synchronization (EXPDP based on the SCN number

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 ',