how to create relationship in oracle database

Label:Recently in the use of Oracle, often to import export data, commands are simple, but often forget, so write down. Drop UserYfplssCascade;--log on to the system user to delete the existing user name and everything under that user is deleted. --CREATE TABLE Space Createtablespace yfplss Logging datafile'd:/app/administrator/oradata/oral/yfplss.dbf'--address of the storage table spaceSize 100m--sizeAuto

Tags: os for strong on BS AD as SQL Res1. Set password for SYS in password file:Orapwd file= $ORACLE _home/dbs/orapw2. Drop repos data copied from the original database (if you are need to unlock Sysman user first):Emca-deconfig Dbcontrol Db-repos Drop3. If EMCA cannot drop user Sysman, drop it manually in Sqlplus:DROP USER Sysman CASCADE;4. Create The repos data

Create an oracle database, user, tablespace, and role permission setting script/* Divided into four steps *//* Step 2: create a temporary tablespace */Create temporary tablespace contract_tempTempfile 'd: \ oradata \ contract_temp.dbf'Size 50 mAutoextend onNext 50 m maxsize

Label:/* divided into four steps *//* Step 1th: Create a temporary tablespace */Create temporary tablespace contract_tempTempfile ' D:\oradata\contract_temp.dbf 'Size 50mAutoextend onNext 50m maxsize 20480mExtent management Local;/* Step 2nd: Create a data table space */Create Tablespace Contract_dataLoggingDataFile '

Label:Because you want to update the database to add a table, Remote Desktop can not connect ... Therefore, remote to another computer, and then use Navicat through the intranet to modify the target database.has been using the navicat operation of the database, so very fast and then create a new connection into the database.However, the accident happened, cannot

To create a table for an Oracle database: Dim myConnectionString as String Dim MyConnection as OleDbConnection Dim MyCommand as OleDbCommand Dim Mycreatesql as String myConnectionString = "provider= ' oraoledb.oracle.1"; User id=[user ID];D ata source=[data Source]; Extended properties=; Persist Security info=true; Password=[password] " MyConnection = New OleDbCo

I. Prerequisites for installation and configuration 1. Install the oracleasm support package DRIVER: www. oracle. compolicysoftwaretechlinuxasmlibrhe I. Installation configuration prerequisites 1. Install oracleasm support package DRIVER: http://www.oracle.com/technology/software/tech/linux/asmlib/rhe I. Prerequisites for installation and configuration1. Install the Oracleasm support packageDriver:/rhel5.htmlTo

only short names ("s" for short, shorter) %~a0 -Will%0 File attributes that are expanded to a file ("A" is attribute, that is, attributes) %~t0 -Will%0 Extended to File Date/time ("T" times) %~z0 -Will%0 Expand to file size (size) %~ $PATH: 0 -Find the directory that is listed in the PATH environment variable and add%0 Expands to the first fully qualified name found. If the environment variable name is not defined, or if no fi

In fact, Oracle comes with a demo mode, and I've been kneeling to lick the outside of the training organization's SQL fileFirst log in to the SQL system userInput:Alter User by HRLogin user hr via password hrRun under Windows:@?\demo\schema\human_resources\hr_main.sqlThe script will then prompt you to enter: HR password, default tablespace (general users), temp tablespace (General temp), sys password, and directory of script run files (this is a rand

One, Oracle six ways to connectIn ①myeclipseOpen Myeclipse,window----Show view----Other---Input DB click DB BrowserSelect Right-click New. The following page appears to fill in the relevant information:The Ojdbc6.jar package needs to be introduced hereTo test:②: Web ConnectionFirst, you need to turn on oracledbconsole servicesEnter the following address in the Web page:Https://localhost.localdomain:1158/em/console/logon/logon③ Dynamic Soft Code genera

, or log file. Oracle automatically sets the settings based on some initialization parametersAssignments and commands, usually in conjunction with ASM.Initialization of memory parameters during Oracle installation:If there is no special purpose general choice Typical or custom automatic management memory.SGA corresponding parameter: sga_target PGA corresponding parameter: pga_targetFor the

* * Start * *1, start the database instance, is divided into two steps: The first step, starts listens; the second step is to start the database instance. 1.1 Go to Sqlplus startup instance{{{[Oracle@redhat ~]$ su-oracle--"Switch to Oracle User"[