Database Administrator

Click Start to view netManager. Click the monitoring program on the panel. By default, only address 1 is marked with localhost. Create an address, enter the local IP address, and restart the listening program. △△△* △△ = △△△△ Multiply a 3-digit

A dimension statistics statement in the backgroundSELECT products_id, sku, px_id, sj_id, cat_path, COUNT (*) AS pv, COUNT (DISTINCT ip) AS ip_numbers, SUM (is_bounce) AS bounce_numbers, SUM (remain_time) AS remain_timeFROM dm_pv_records_searchWHERE 1

After Oracle accidentally deleted the data file, the following error occurs during connection and login: ERROR:ORA-01033: ORACLE initialization or shutdown in progress Solution: First, Log On As a dba user. SQL> conn sys/orcl as sysdba; If you

Abstract: A ORA-01591 error is reported when accessing specific rows of some tables Select * from BF_INCOME_EXPENSES_T Where account_id = 36816153 And user_id = 39964213 And city_code = '000000'  ORA-01591: locking allocated transactions that have

An error occurred while installing Oracle10G runInstallert on AIX. Environment: System: AIX5300-08 Database: Oracle 10g (64bit) After the oracle software is uninstalled on the AIX client, a daily error occurs: Check whether the system

Lab requirement: deploy a MySQL cluster to reduce single point of failure (spof) of the database. Tutorial solution: prepare five servers, mgmd (192.168.100.1) as the management node, sqlA (192.168.100.2) and sqlB (192.168.100.3) as the SQL node,

The Oracle 10g Clusterware processes on UNIX-based systems are: Oracle Clusterware Oracle-provided clusterware that manages clusterdatabase processing including node membership, group services, global resourcemanagement, and high availability

Why should we discuss this issue? It is rooted in history. Let's start with Oracle 10 Gb. Before 11G, if you want to add a new column to a large table and the new column has a default value, if you want to use alter table xx add xx_1 number default 1

Confirm environment: Source database: System: RedHat Enterprise 5.4 Database Version: Oracle 10.2.0.1.0 IP: 10.37.100.100 Target database: System: RedHat Enterprise 5.4 Database Version: ORACLE 10.2.0.3.0 IP: 10.37.100.101 Tablespace to be

MySQL Log details Error Log The MySQL error message is in the data directory. The content defined in the error log itself can be defined. Edit the configuration file and define the error log: Log-error =/path/to/xx. err # define whether to enable

Oracle Database startup involves three steps: Nomount: Find the initialization file pfile or spfile, create the SGA and start the background process, but do not allow access to the database. Mount: locate the Control File based on the initialization

MongoDB is a high-performance, open-source, and non-pattern document-type database. It can be used in many scenarios to replace traditional relational databases or key/value storage methods. Basic concepts: NoSQL It generally refers to

The following error is reported: Mon Mar 31 18:45:59 2014Errors in file/Oracle/app/oracle/diag/rdbms/zscims/zscims2/trace/zscims2_ora_11403518.trc (incident = 28382 ):ORA-00600: Internal error code, parameter: [kqlnrc_1], [0x7000003F55C3B60], [], [],

1. The master database encountered a ORA-01093 error while converting the role of the physical master/Slave Database SQL> select switchover_status from v $ database;SWITCHOVER_STATUS--------------------Sessions active ---------- there is an ACTIVE

Master Database: vsgpdbStandby Database: dgdb  1. confirm that the master database is in archive ModeSQL> archive log listDatabase log mode Archive ModeAutomatic archival EnabledArchive destination/gp/archOldest online log sequence 1307Next log

Run the stored procedure, which contains a temporary table. After running, you want to delete the temporary table report ORA-14452: An attempt was made to create, alter or drop an index on temporary table which is already in use Solution: In fact,

With the development of Oracle, a complete solution system has been built in the Backup recovery field. In most cases, our backup and restoration requirements can be achieved using the mature Oracle solution. Table space Point In Time Recover

Linux and AIX are the most common server operating systems in our O & M environment. Ideally, the configured application runs in a stable cyclic environment. Generally, there will be no excessive configuration changes. However, if you do not

The Oracle RMAN tool has three source database objects: target, catalog, and auxiliary. Target is the source database for backup operations. All the objects we perform backup and restoration are in this database. By default, backup set information

1. Modify the/etc/oratab FileChange the number of databases that need to be started with the operating system from N to Y.Lis:/u01/app/Oracle/product/11.2.0/db_1: NTo:Lis:/u01/app/oracle/product/11.2.0/db_1: Y 2. Edit the dbstart and dbshut scripts