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Recovery24.2 cold and recovery in non-archive modeSteps to 24.2.1 ColdRecovery of 24.2.2 Cold prepared24.2.3 Missing Redo log File recovery method24.3 Archive mode and non-archive mode24.3.1 Setting the archive mode of the database24.3.2 Setting the archive process parameters24.3.3 Managing archive files and archive directories24.4 steps to manually hot-standby a database24.5 How to deal with database crashes during hot standby24.6 Principle of hot preparation24.7 Backup Control files24.8 Princ
One: Multitenant Architecture (12.1.0.1)Multi-tenant architecture is the new heavyweight feature of Oracle 12c (12.1), built-in multi-tenancy (multi-tenancy), a container database (container) that can hold multiple pluggable Databases, Each pluggable database is independent of the other pluggable database.For external applications and developers, pluggable databases looks like a single database before the n
Dangdang page Link: Http://product.dangdang.com/23625712.html The 1th chapter Oracle Database Basic knowledge1.1 What is a relational database1.1.1 Relational Database modelFounder of 1.1.2 Relational data model1.2 Oracle Database Development historyThe beginning of 1.2.1 Company1.2.2 Oracle Database development process1.3 Database RDBMS1.4 SQL Language Introduct
Known: The test user tuser1, the test role trole1, and trole1 have been authorized to tuser1. Latency is required for testing a program, so dbms_lock is authorized to trole1 and put in an anonymous block for testing: SQL> set serveroutput on; But an error is returned when you move it to the function: Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 It is strange that dbms_lock cann
either uppercase or lowercase C # #开头.sql> Create User C # #imei identified by IMEI default tablespace imei temporary tablespace imei_temp; User created.Sql> Grant DBA to C # #imei; Grant succeeded.Each PDB is a separate unit with its own
Test environment: win2003 + oracle10gr2 Set environment variables:Set ORACLE_HOME = D: \ oracle \ product \ 10.2.0 \ db_1Set java_home = % ORACLE_HOME % \ JDKSet Path = % java_home % \ bin; % PATH % Go to the ISQLPLUS directory:Cd % ORACLE_HOME % \ Solaris \ J2EE \ ISQLPLUS \ Application-deployments \ ISQLPLUS Enter the jazn command environment:Java-djava. security. properties = % ORACLE_HOME %/sqlplus/admin/iplus/provider-jar % ORACLE_HOME %/Solaris/
In Oracle databases, user permissions are divided into two types (here we do not discuss the permissions of dba or role, but only the permissions of common users ), system Privilege System permission and User Table Privilege User data Table permission. 1. First, create a
How can I create a user in Oracle and grant specific permissions ?, Oracle Permissions This article is edited by the Markdown syntax editor.1. Demand proposal When HIS is integrated with a third-party system, a third-party system needs to access the view of HIS database rather than all the database tables. The HIS dat
/oracleSql> Conn system/oracleconnected.sqlSelect name from V$datafile;name----------------- ---------------------------------------------------------------/u01/app/oracle/oradata/mydb/system01.dbf /u01/app/oracle/oradata/mydb/sysaux01.dbf/u01/app/oracle/oradata/mydb/undotbs01.dbf/u01 /app/oracle/oradata/mydb/users01.
In Oracle databases, user permissions are divided into two types (here we do not discuss dba or dbopr permissions, but only the permissions of common users ), system Privilege System permission and User Table Privilege User data Table permission. 1. First, create a
Authorized users can access database objects and their contents. Prompt that after a user has the permission to Process Tables of other users, the user must have public or private synonyms of these tables before he can reference tables of other users in SQL statements, oracle can identify these tables through them. Assume that Jrstocks has a table named sample_ B
common role that, like a public user, needs to use C # #或者c # #作为角色名的开头.sql> Create role C # #admin01 Container=all;Role created. --Grant the DBA role to a common role with all PDBSql> Grant DBA to C # #admin01 Container=all; Grant
Show user;Select Sys_context (' Userenv ', ' Session_user ') from dual;Select User from Dual; To view all logged-on users, you must be a DBA User:Select username from v$session;SYS, system, and other DBA users view objects (tables) in other users (test):Sql> select * from Test.student;Create a process in which a normal
Note:1. When Oracle8.1.6 is installed in WIN2000 to create a database, a credential retrieval failure error often occurs. This is because Oracle cannot apply OS authentication results. You can modify sqlnet. AUTHENTICATION _ SERVICES in SQLNET. ora to NONE. In this case, Oracle uses Password File authentication.2. Since Oracle has several pre-built users, it is b
This article mainly introduces the basic management of CDB and PDB, data source Oracle official.Basic concepts:Multitenant Environment: Multi-tenant environmentCDB (Container database): DB containerPD (Pluggable database): pluggable databasesCDB vs. pdb diagramCOMMON users (ordinary users): often built on the CDB layer, user name in C # #或c # #开头;Local Users: Only the PDB layer is established, and container
parameters in the USERENV namespace to determine the current container ID and NAME wit H the Sys_context function. 1, view the Oracle 12c version Sql> select * from V$version; Sql>select sys_context (' USERENV ', ' Con_name ') from dual; Sys_context (' USERENV ', ' con_name ') ------------------------------------------------------------------------ ---------------------------- Cdb$root 2. We can spec
Three default system users Username and password Sys change_on_install (highest Network Administrator) Manager system local administrator Scott tiger common user 1. Start the cmd command of the Oracle listener: 1: name of the lsnrctl start listener (not to be written) 2: Start the data instance oradim-startup-sid dataname (Instance name) 2. Log On with the highest user
Issues with CDB User Creation and tablespace allocation in Oracle 12c Database In Oracle12c, the concept of database plug-in is added, that is, PDB, which allows a database container (CDB) to host multiple pluggable databases (PDB ). CDB is called ContainerDatabase, and the Chinese translation is a database container. PDB is called PluggableDatabase, which can be
Blogger tested on Oracle 11g R2 (test date: 2017.10.30):Log in to Oracle with SYS and execute the following two statements: Select * from WHERE like ' CONNECT '; -- Querying permissions for the Connect role Select * from WHERE like ' RESOURCE '; -- querying permissions for resource rolesConnect role:--is the typical right to grant the end
------------------------------------ ----------- ------------------------------Open_cursorsinteger -ReferenceOracle-base-multitenant:overview of Container Databases (CDB) and pluggable Databases (PDB)Oracle 12c PDB Foundation-coveting-Blog channel-csdn.netCDB and PDB basic management-Ziyoo-Blog ParkOracle 12C Multi-tenancy (
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