Non-Oralce user environment variable configuration

Non-Oralce user environment variable configuration In the project, you need to configure environment variables for web users of the same server to execute sqlldr of Oracle, and record the implementation steps and problems: (1) copy the settings of

Use of Oracle SQL Performance Analyzer

Use of Oracle SQL Performance Analyzer With SPA, you can play a specific SQL or the entire SQL load based on various types of changes (such as initialization parameter changes, optimizer statistics refreshing, and database upgrades), and then

ORA-12514 error troubleshooting when connecting to Oracle

ORA-12514 error troubleshooting when connecting to Oracle Recently, Oracle 11 GB in windows has been used for testing. ORA-12514: TNS: The Listener currently cannot identify the Service requested in the connection Descriptor I searched the internet

Problems caused by Online usage of index creation in Oracle

Problems caused by Online usage of index creation in Oracle In the local test database, the original space is insufficient. As a result, a table is created with more than 6 million records and you want to create an index. The physical segment has

Oracle 11gR2 RAC node crash Fault Analysis

Oracle 11gR2 RAC node crash Fault Analysis Environment: AIX 7100Oracle 11gR2 RACDetailed version: 11.2.0.4 Symptom:Node 2 crs hang is down. The CRSCTL command does not respond at all. After the CRS process host is restarted, the VIP is not migrated

Oracle multi-database data is updated at the same time

Oracle multi-database data is updated at the same time 1. Create dblink Create database link test connect to mall identified by test using'(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP) (HOST = 113.116.216.60) (PORT = 1521 )))(CONNECT_DATA

In Linux, Python calls MySQL

In Linux, Python calls MySQL (1) first install and start mysql to determine the location of mysql/lib. (2) install the setuptool (online or offline ). (3) install the Mysqldb module. MySQLdb is a Python connection module to MySQL. The following

Enable audit for a table in Oracle (audit)

Enable audit for a table in Oracle (audit) Oracle databases enable standard auditing using the audit_trail Parameter Its Parameters include the following: NONE: Audit disabled OS: The audit information is summarized in the system. For Linux, the

Another example of ORA-02030 Solution

Another example of ORA-02030 Solution Give normal users the query permission on the v $ view and result in a ORA-02030 ErrorORA-02030: only queries from fixed tables/views (ORA-02030: can only select from fixed tables/views) Problem Background:You

MySQL benchmarking tool TPCC-MySQL usage notes

MySQL benchmarking tool TPCC-MySQL usage notes TPCC is a specification specifically designed for online transaction processing systems (OLTP systems). In general, such systems are also called business processing systems. TPCC-mysql is a benchmark

MySQL5.6 master-slave Replication (read/write splitting) configuration full version

MySQL5.6 master-slave Replication (read/write splitting) configuration full version MySQL5.6 master-slave replication (read/write splitting) Tutorial 1. There are two ways to start master-slave replication from MySQL5.6: Log-based (binlog ); Based

DML operation DDL trigger

DML operation DDL trigger Today, the application side told me that a DML operation caused the database to report an error, said "ORA-234567, do not allow development to execute DDL operations, please contact DBA" To ensure security, DBAs create

Oracle job automatic task Practical Guide

Oracle job automatic task Practical Guide As a scheduled Oracle task, Oracle jobs are between crontab at the server level and applications (such as scheduled tasks of java spring). The database layer has important value for data processing.The

An example of troubleshooting ORA-04030 errors

An example of troubleshooting ORA-04030 errors The customer said that an error was found in the database background as follows: Errors in file/Oracle/bkjia/saptrace/diag/rdbms/bkjia/incident/incdir_183218/bkjia_j003_8103_i183218.trc:ORA-04030: out

Oracle performance optimization is sometimes so simple _ index

Oracle performance optimization is sometimes so simple _ index Performance optimization is sometimes so simple I. Overview Recently, the CPU of a system (aix6.1 + Oracle10.2.0.5 RAC) reaches every five minutes. This system is a monitoring system and

In-depth analysis of MySQL ERROR 1045 (28000)

In-depth analysis of MySQL ERROR 1045 (28000) After a user is created in MySQL over the past few days, the access request is denied. The ERROR code is ERROR 1045 (28000 ). I searched the internet for a long time and found many solutions, but

Troubleshooting of abnormal shutdown of MySQL Slave (pt-slave-restart)

Troubleshooting of abnormal shutdown of MySQL Slave (pt-slave-restart) The following three methods are used to handle abnormal shutdown of MySQL Slave.You can also use the pt-slave-restart command of percona-toolkit.The

ORA-39126 ORA-00904 ORA-06512 Solution Process

ORA-39126 ORA-00904 ORA-06512 Solution Process Expdp test/123456 dumpfile = B. dmp directory = DUMP_DLSPThe following error occurs when using data mercury. According to the parameters I used, no advanced parameters are used, which are the most

Oracle Database RAC 11.2.0.3 for AIX6.1TL7 installation records

Oracle Database RAC 11.2.0.3 for AIX6.1TL7 installation records Installing Oracle RAC on the AIX platform is a pitfall. I verified this again today because there are too many bugs! Record the problem because there are too many bugs! We strongly

Oracle ASM introduction and installation of Linux5.2 + Oracle10g + ASM Process

Oracle ASM introduction and installation of Linux5.2 + Oracle10g + ASM Process 1) The reason for ASM (Automatic Storage Management: ASM is a new feature in Oracle 10g R2 to simplify the management of Oracle databases. It is a volume manager provided

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