Oracle

I have been writing about 12.2 sharding database for a long time, and today I started the environment again, started the host, and then started the Listener and Shardcat databases and the Shard node database instance. When checking the status of

After installing MySQL, configure the environment variables, and then Typing MySQL Enter MySQL Then you can Use MySQL; Select * from user; To see all the users; Execute script file under Mysql: Mysql > Source xxx.sql; 1.1 Two ways to increase the

Complete uninstall of Oracle 12c operation steps on Windows7 1. Turn off all Oracle Services and press "Win+r" to Run "services.msc" to find all services that begin with Oracle (oraclevsswriterorcl+oracleserviceorcl+

System Environment: Oel6.5_x86Database version:Oracle 11g 11.2.0.3.0Client environment: Windows7 Ultimate Edition x86_64First, [failure phenomenon]"Oracle Client" is installed on clients, run "tnsping enmoedu" through CMD, detect connection to

Reprinted from: http://blog.csdn.net/leshami/article/details/5731158One, rollback (ROLLBACK) and undo (undo)Rollback and roll forward are important means of ensuring that the data in an Oracle database is in a consistent state. --Before the 9i

ObjectiveBecause Oracle 12c uses the CDB-PDB architecture, similar to Docker, multiple pluggable-db can be loaded within the CONTAINER-DB, so additional configuration is required after installation to be used.First, modify the Listener.ora, Tnsnames.

I. What is the Oracle character setThe Oracle character set is a collection of symbols that interpret a byte of data, have a size, and have a mutual containment relationship. ORACLE's support for national language architectures allows you to store,

A linked server to access the Oracle database was created under SQL Server R2 with a login with Windows authentication xxxxx, the test was successful, the wood was faulty, but the other logins used the linked server reported the following error:Msg 7

Database name (db_name), instance name (instance_name), and operating system environment variables (ORACLE_SID)   only database name (db_name) and DB instance name (Instance_) in ORACLE7, 8 database Name). A new parameter, the database domain name

Today, after work, students sent one, meaning that the bytes value in Dba_data_files is greater than MaxBytes value. As follows:650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/

Convert Oracle 12c Database from Standard Edition to Enterprise EditionFrom:How to Convert the Oracle Database 12c from standard to Enterprise Edition? (Document ID 2046103.1)Applies To:Oracle database-enterprise edition-version 12.1.0.1 and

RAC special problems and combat experience (V) 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

Symptom: Use sqlplus to connectBut toad can not connect to life and death, error: ORA-01017: invalid username/password; logon deniedHowever, the password username is correct, because sqlplus with the same password username can be connected. Cause:

The target database version is oracle8.1.7, the directory database version is oracle9.2.0, and all data files (including control files and On-line log files) are lost. Examples of using RMAN for backup and recovery are as follows: Tutorial steps: 1.

Oracle9i was released on Oracle Open World in October 2000, introducing many new features for Oracle databases, application servers, and development tools. Oracle9i is the industry's first complete and simple software infrastructure for a new

Oracle DBMS_CRYPTO Version 10.2: 　 General Information Source {ORACLE_HOME}/rdbms/admin/dbmsobtk. SQL Algorithm Constants Name Data Type Value

Windows 7 64-bit Oracle SQL Developer tool, win7developer In the process of using Oracle SQL, a lot of reference materials, counseling institutions, and various books are mostly explained using PL/SQL, but the problem is that PL/SQL does not provide

Differences between temporary tables in Oracle and temporary tables in SQL Server compared with the process of creating temporary tables in Oracle databases and the differences between temporary tables in SQL Server are the main content of this

Description of key parameters for kfed to read data disk headers% Kfed read/dev/raw/raw1    Kfbh. endian: 1; 0x000: 0x01Kfbh. hard: 130; 0x001: 0x82Kfbh. type: 1; 0x002: KFBTYP_DISKHEADKfbh. datfmt: 1; 0x003: 0x01Kfbh. block. blk: 0; 0x004: T = 0

1. Symptom: The code is as follows:Copy code SQL> drop user test cascade;Drop user test cascade*ERROR at line 1:ORA-00604: error occurred at recursive SQL level 1ORA-00069: cannot acquire lock -- table locks disabled for T1  SQL> conn