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be obtained from dba_tablespace. 10. PERMANENT | TEMPORARYSpecifies whether a tablespace is a permanent tablespace or a temporary tablespace.Permanent tablespace stores permanent objects, while temporary tablespace stores temporary objects existing in the session lifecycle.The temporary tablespace generated by this parameter is always in dictionary management after it is created, and the extent management local option cannot be used.To
makes the tablespace invalid after it is created. This value can be obtained from dba_tablespace.
//
10. PERMANENT | TEMPORARY
Specifies whether a tablespace is a permanent tablespace or a temporary tablespace.
Permanent tablespace stores permanent objects, while temporary tablespace stores temporary objects existing in the session lifecycle.
The temporary tablespace generated by this parameter is always in dictionary management after it is created,
Create a temporary table:
Create an Oracle temporary table. There are two types of temporary tables:
1. Session-level temporary table
2. Transaction-level temporary tables
1) SESSION-level temporary table because the data in this temporary table is related to your current
------------------------------------ ----------- ------------------------------Resource_limit Boolean TRUEsql>2. Create a profile that defines a limit on database resources by using creation profile. 3. Use the CREATE user or alter USER command to assign the profile to the user. third, the syntax: Profile ProfileLIMIT {resource_parameters| Password_parameters}[Resource_parameters| Password_parameters]..
Create oracle tablespace and user permission query create user and tablespace in linux: www.2cto.com 1. log on to linux and Log On As an oracle user (if it is logged on as a root user, after logon, use the su-oracle command to switch to an
1. Configuration Planning
Name
IP
Listeners
End Port
SID
Db_name
Db_unique_name
Service name
Host
127.0.0.1
Listener1
1521
Test1
Test1
Test1
Test1
Slave
127.0.0.1
Listener12
1522
Test2
Test1
Test1
Test1
Step 2
1. master database operations
--- Confirm that the master database is in archive Mode
SQL> archive log list
Change:
SQL> startup mount
SQL> Alter database archive log
--- Set to forc
/service_name of Oracle
Sqlplus sys/nmc601@10.28.17.129: 1521/nmcdb.nmc.gov.cn as sysdba;
If the TS_MISPS tablespace exists, delete the tablespace and its attached files.
Drop tablespace TS_MISPS including contentsand datafiles cascade constraints;
View connected applications
Select username, sid, serial # from v $ session;
// Cascading deletion of users
Drop user MISPS cascade;
//
username, sid, serial # from v $ session;
// Cascading deletion of users
Drop user MISPS cascade;
// Create a tablespace and place the file in the oradata directory of the Oracle installation directory.
Create tablespace TS_MISPS datafile '/home/oracle/app/
Create an Oracle 12c user
Oracle 12c accounts can be divided into public accounts and local users. A common account is created under CDB and can be used by all PDB users. A local account can only be created in PDB.
Create a public userAlter session set container = CDB $ ROOT
Temporary tablesIn Oracle, a temporary table is "static," which, like a regular datasheet, needs to be created only once, and its structure is valid for the entire period from creation to deletion. In contrast to other types of tables, a temporary table allocates space for the user when the data is actually added to the table, and the allocated space is from the temporary table space. This avoids data contention storage space with persistent objects.T
Start and Stop services at oracle11g, modify character sets, import and export, create and delete tablespaces, and uninstall oracle. [start and stop the service] // start and stop listening for www.2cto.com lsnrctl start; lsnrctl stop; // start and stop the service sqlplus orcl as sysdba; // login> shutdown immediate;> STARTUP; or ps-ef | grep ora_dbw0 _ $ ORACLE_SID kill-9 process number 2. [modify charact
default identified by SECMNG default tablespace USERS account UNLOCK;Create a new user scenario SECMNGUSER1CREATE USER "secmngadmin" profile "default" identified by "123456" Default Tablespace "USERS" account UNLOCK; GRANT "CONNECT" to "secmngadmin"; GRANT Select any TABLE to "secmngadmin"; GRANT resource to Secmngadmin; GRANT create session to Secmngadmin;Autho
Create an Oracle database link (DBLINK)
You can run the following command to check the Global Database Name:
SELECT * FROM GLOBAL_NAME;
You can use the following statement to modify the parameter value:
Alter system set GLOBAL_NAME = TRUE/FALSE;
Connect and communicate between Oracle databases.The syntax for creating a database link is as follows:CREATE [PUBLIC]
Tags: oracle utl_smtp database ora-29278Online too many e-mail storage process, I will not forward, to get a simple example;Create or Replace procedure Send_mail (Mail_body varchar2) is Smtp_conn utl_smtp.connection; User_name VARCHAR2: = Utl_raw.cast_to_varchar2 (Utl_encode.base64_encode (Utl_raw.cast_to_raw (' [email protected])); USER_PASWD varchar2: = Utl_raw.cast_to_varchar2 (Utl_encode.base64_encod
) Import the table table1 from d:daochu.dmp to imp system/[email protected] file=d:daochu.dmp tables= (table1) Basically, the above import and export is enough. In many cases, you must first delete the table and then import it. Attention:The operator must have sufficient permissions, and it will prompt for insufficient permissions.Database, you can connect to the. You can use tnsping test to get the database test to connect. Add the Import data permission to the user 1) Start Sql*puls2) Login
Create and use two temporary tables for Oracle databases.
In addition to permanent tables, the ORACLE database can also create temporary tables. These temporary tables are used to save the data of a SESSION or the data required in a transaction. When the
Oracle creates a create user and authorizes grant to view logged-in users:Here's what you can do: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 * f
CREATEGLOBALTEMPORARYTABLETABLENAME (COL1VARCHAR2 (10), COL2NUMBER) ONCOMMITPRESERVE (DELETE) ROWS; -- O
Create global temporary table tablename (COL1 VARCHAR2 (10), COL2 NUMBER) on commit preserve (DELETE) ROWS; -- O
Create global temporary table tablename (COL1 VARCHAR2 (10 ),COL2 NUMBER) On commit preserve (DELETE) ROWS;
-- On commit delete rows indicates that the temporary table is specified by a t
Create and delete temporary tables in Oracle
Create global temporary table tablename (COL1 VARCHAR2 (10 ),COL2 NUMBER) On commit preserve (DELETE) ROWS;
-- On commit delete rows indicates that the temporary table is specified by a transaction. After each COMMIT, Oracle truncates the table (DELETE all ROWS)-------------
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