oracle database 12c book

Tags: impdp disable_archive_log TRANSFORMExamine the following query output:You issue the following command to import tables into the HR schema:$ > IMPDP hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hr transform=disable_archive_logging:yWhich statement is true?A. All database operations performed by the IMPDP command is logged.B. Only create INDEX and create TABLE statements generated by the import is logged.C. Only CREATE table and ALTER t

Label:Password 1 as SYSDBA 2 Alter user system identified by Abcd1234; Manual script First-->manual_script_before_install.sql 1 --must connect as SYSDBA to execute the following script 2 --This manual script was to minimize the "configuration change" on the Oracle database server 3 4 --We suggest you use the default SYSTEM user during the installation 5 --If you choose a user other than system during i

To start DB12 as an example' /as sysdba ' SQL 12.1. 0.2. 0 1 :1982, Oracle. All rights reserved. Connected to an idle instance.1.nomount StageSql> startup Nomount; 1174405120 bytesfixed Size 2923680 bytesvariable Size 436208480 bytesdatabase buffers 721420288 Bytesredo buffers 13852672 Bytessql Select from v$pdbs;no rows selected2.mount Stage: Open control file, root and

Label:Download Oracle (this is no nonsense!) ）To a link, you need to register Oracle and then download it.Http://www.oracle.com/technetwork/cn/database/enterprise-edition/downloads/index.htmlUnzip the installation12c has two files, download them and unzip them, then click Setup to install them.Installation specific steps:1. Configuring Security UpdatesFill in the

Label: Select from V$pdbs; NAME open_mode ---------------------------------------- pdb$seed READ only PDB1 READ WRITE PDB2 READ WRITE SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL Alert log: shutting instance (im

%s'database include current Controlfile plus archivelog filesperset -Format'/rman_backup/bak_data/arc0_%d_%t_%s' ; Delete noprompt obsolete; Release channel C1;} eof#Incremental backup backupincr1.sh # script.: Backupfull.SH# creater:wangshengzhuang#Date: ./ on/ to# desc:backup Incremental database datafileincharchive with rman# connect Databaseexport oracle_base=/home/oratest/app/Oratestexport Oracle_home=/home/oratest/app/oratest/product/12.1

explicitly inserted; METADATA-ONLY default value refers to the default value specified when a new column is added, and the difference in 11g is that, the default value of 11g must be not null. 3. extend the length limit of multiple data types: Increase the VARCHAR2, NVARCHAR2, and RAW types to 32 K, set compatibility to 12.0.0.0 or above, and set the initialization parameter MAX_ SQL _STRING_SIZE to EXTENDED, this function does not support CLUSTER tables and index organization tables. In the en

Label:1. Backing Up the NON-CDB database2. Close the NON-CDB database sql> shutdown immediate; 3. non-cdb to read-only status sql> Startup Open Read Only 4. Create an XML file (created in non-cdb) sql> begin Dbms_pdb.describe (pdb_descr_file='/tmp/test.xml') ; End; / The XML file created here and the original library's data file make up a unplugged PDB 5. Close the NON-CDB database6. Login CDB using ' /tmp/orcl.xml ' copy; SQLSet container=P6;

Enable In-memory FeaturesDatabase version 12.1.0.2 and above, inmemory_size parameter set to appropriate valueSql> SELECT * from V$version;BANNER con_id-------------------------------------------------------------------------------- ----------Oracle Database 12c Enterprise Edition release 12.1.0.2.0-64bit Beta 0Pl/sql Release 12.1.0.2.0-beta 0CORE 12.1.0.2.0 Beta

>SelectCon_id,dbid,name,open_mode fromV$pdbs; con_id DBID NAME Open_mode---------- ---------- ------------------------------ ----------2 1258043702pdb$seed READ only3 3749525766PDB1 READ only4 2192587015P4 READ only5 255759235pdb_test Mountedsql>Alter pluggable database pdb_test open; SQL>SelectCon_id,dbid,name,open_mode fromV$pdbs; con_id DBID NAME Open_mode---------- ---------- ------------------------------ ----------2 1258043702pdb$seed READ only

After the N installation attempt to vomit blood summary, hope to be helpful to everyone, at the same time do record memo: Summary: Pre-installation preparation is the key!!! Check and recheck! Reference: Http://docs.oracle.com/cd/E16655_01/install.121/e17741/toc.htm#CEGHFFGG ORACLE 12C Installation Step ******************************************** 0, preparation software:

At present, many production databases are two node RAC, application connected database will usually connect scan IP or VIP, here do a small experiment, if we use VIP connection,How to configure our clients, load balancing is a strict rotation mechanism, only through their own testing to get ready to answer. Tnsnames.ora Configuration # Tnsnames.ora Network Configuration File:/u01/app/oracle/pr

Today, a netizen to find me to help him optimize his database of SQL, customer service reflects the SQL ran for a long time, ran for 12 hours, and finally ran out of ORA-01555, with an error ended this slow SQL life. Find me to help him optimize, OK, bounden duty.They're over there. The database environment is Oracle 12C:The original SQL and its execution plan ar

Tags: io using ar for SP on EF BS SQL--Confirm Current CDB Sql> select name,cdb from V$database; NAME CDB------------------------ORCL YES --Query the current PDB basic information Col pdb_name for A30select Pdb_id,pdb_name,dbid,status,creation_scn from Dba_pdbs;select con_id,dbid,name,open_mode From V$pdbs; Create a consumer sql> Create User C # #test identified by test; Sql> alter session set CONTAINER=PDB1;Sql> show Con_name; Sql> show Con_name; Con

Sql>SelectName,open_mode fromv$pdbs;name Open_mode------------------------------ ----------pdb$seed READ ONLYPDB1 MOUNTEDPDB2 mountedsq L>Alter pluggable database all open; Pluggable database altered. SQL>SelectName,open_mode fromv$pdbs;name Open_mode------------------------------ ----------pdb$seed Read ONLYPDB1 read WRITEPDB2 read W Ritesql>Alter pluggable database