Database Administrator

ORA-16014 and ORA-00312 troubleshooting When switching the role of the logical standby database switchover, the following error message is displayed in the log when the database is started; Primary> startupOracle instance started. Total System

Query the size of a table with a lob field in the Oracle database Note: Because the lob field has an independent lob segment for storage, for a table with a lob field, you cannot only query dba_segments. The following scripts are from: How to

Solution to Oracle dbstart failure Solution to Oracle dbstart failure [Oracle @ CentOS-1 ~] $ DbstartORACLE_HOME_LISTNER is not SET, unable to auto-start Oracle Net ListenerUsage:/u01/app/oracle/product/12.1.0/dbhome_1/bin/dbstart ORACLE_HOMEModify

Analysis of database downtime caused by ORA-04031 Background On February 5, the user's database went down unexpectedly. After restarting the server, the Oracle database went back to normal. The user hoped to troubleshoot the problem and avoid

Dataguard primary database reported ORA-16146 error Solution Product Version 10.2.0.4Operating System Oracle Solaris on iSCSI (64-bit) 5.10 1. the alert Log is as follows:Master Database alert log---------------------Tue Mar 11 14:30:47 2014LNS:

8 database management tools suitable for Linux users! From the content management system to simple tables, databases are part of every development project. This is why developers emphasize the use of the correct type of database tools. The following

Configure the sid_name case for the static listener to cause logon failure. Remote logon fails due to the Case sensitivity of SID_NAME during static listening configuration. For Oracle databases, the same name is case-insensitive, indicating

Redis password management 1. How to initialize the redis password? A total of 2 steps: A. There is a parameter in the configuration file: requirepass, which is the parameter for configuring the redis access password. For example, requirepass test123 

Oracle OS verification Logon Username and password are our most common security authentication policies and the most common security protection policies we use in various application system software. It is a natural responsibility for Oracle to

Basic Database Operations, databasesI. Data Table Student (S #, Sname, Sage, Ssex) Student table S #: Student ID; Sname: Student name; Sage: Student age; Ssex: Student genderCourse (C #, Cname, T #) curriculum C #, Course No.; Cname: Course name; T #

About the _ external_scn_rejection_threshold_hours parameter and scn headroom patch in oracle db 11gR2, 11gr2headroomAbout the _ external_scn_rejection_threshold_hours parameter and scn headroom patch in oracle db 11gR2From:Installing, Executing and

ADO. NET 5-delete a record using the Command object --- ShinePans, Source code: Using System; using System. collections. generic; using System. data; using System. data. sqlClient; using System. linq; using System. text; using System. threading.

Mysql Stored Procedure example DELIMITER $Create procedure generate_Equipment (district INT, warehouseNO VARCHAR (10 ))BEGINDECLARE l_no VARCHAR (50 );DECLARE l_address VARCHAR (20 );DECLARE l_name VARCHAR (20 );DECLARE l_city VARCHAR (20) DEFAULT

Create a sequence and view, and create a sequence View The project must ensure that the order number is unique. When the time is used to generate a large volume of business, there will still be duplicates. Solution: Create a sequence table and

Petelai project experience small set (3) ___ from the Multi-table statistical amount to a table, petelai __ This project is mainly used by all departments and agents of petelai. The following function of this system is to collect agent fees. The

Solving ORA-02395: exceeding call limits for I/O use, ora-02395The PROFILE file of ORACLE is a method to restrict the resources used by database users. For example, you can control the CPU that can be used by sessions or SQL statements, and control

Error message displayed in PLSQL Developer is garbled, plsqldeveloper Error messages in PLSQL Developer are garbled   Connection environment: win 7 Database Version: oracle 11g   Simulate an error and view the error prompt to display "???" The

Atitit. atitit. hb many2one relate hibernate multi-to-one association configuration..., hibernate configuration file Atitit. atitit. hb many2one relate hibernate multi-to-one association configuration ..   1. Many-to-one @ ManyToOne 1 1. @

[Translated from mos] Method of rebuilding control file, mos Reconstruction Reconstruction of Control Files Reference Original:How to Recreate a Controlfile (Doc ID 735106.1) Applicable:Oracle Database-Enterprise Edition-Version 9.0.1.0 and

Oracle users are locked and oracle users are locked Sqlplus sys/password @ localhost: 1521/cmsx as sysdba   SQL * Plus: Release 11.2.0.1.0 Production on Monday July 21 13:33:13 2014 Copyright (c) 1982,201 0, Oracle. All rights