Oracle Database 12c. Please also tag oracle for search purposes.

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How to connect to oracle 12c from sqlplus without password in command line

This may seem as weird question: If i have user called demo with password Pass1234 When connecting to oracle 11g I can run sqlplus like this with password in command line: on DB host: C:\> ...
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Change date precision values

Exposition: I have an oracle database table with date format as 'mm/dd/yyyy' and an unique constraint that contains the date column. My issue is that I can't seem to find a method to change the ...
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Error installing Oracle Database Client 12c: “OracleMTSRecoveryService Control Utility has stopped working”

The installation of the "Oracle Services For Microsoft Transaction Server" component fails when I attempt to install Oracle Database Client 12c (12.1.0.2.0) on Windows Server 2012 R2. When ...
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How to configure sql developer with oracle 12c?

I'm trying to connect sql developer to a fresh installation of oracle: I can connect to sys user via sqlplus I can connect to sys user via sql developer when I select Connection Type ...
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Mixed mode auditing - 12c

Oracle 12c database comes with default Unified auditing enabled even if we set it to FALSE which has ORA_SECURECONFIG policy enabled by default. Apparently, the audit options for that particular ...
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expdp full export not exporting all schemas

On Oracle 12c, fairly new database with APEX installed. I do a expdp \"/ as sysdba\" directory=dp_dir full=y dumpfile=full.dmp logfile=full.log And I am getting just a few tables from SYS and ...
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How to start Oracle 12 after initial installation [on hold]

I'm a graduate student taking an Oracle 12 PL/SQL class this summer. I'm trying to set myself up for success but it appears to be difficult. I've installed Oracle 12c and SQL developer 4.1.3. What do ...
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Oracle 12c cannot start up after having failed to enable Extended Data Types

I upgraded my single instance oracle to 12c on CentOS 6.7 for the benefit of having 32767 bytes varchar2 and I followed below nice article until stopped half way when executing utl32k.sql script. ...
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RMAN DUPLICATE from backup without Target or Catalog: How is the aux instance created?

I am trying to duplicate an Oracle database based on backups to test if they can be used in case of complete system failure. Hence, I want to do this without a connection to the source database. I'm ...
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Golden Gate realtime replication basic question

I have a task to replicate unidirectional real time data from source database A to target database B. I do not need all the table from A, only few tables and few columns inside those tables. Say 10 ...
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26 views

Security and Performance Implications of SQL Tuning Advisor

I work on a relatively small development team that works with an Oracle (11g) database. It's recently been requested that all the developers be given the Advisor role so that we can utilize SQL Tuning ...
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Oracle 12c Rman Duplicate Archive Log Not Verified

I am trying to duplicate a DB from live to dev but it is failing. Can anybody advise what is going wrong? Both databases are running Oracle 12c. All database files seem to be copied over but it fails ...
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Get current time, on commit, with oracle database

When inserting a row I want to make a column, equal to the current time on commit. If I use default value sysdatetime on the column, it uses the current time at insert (which could be significantly ...
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Oracle ASM : Alter asm_diskstring when ASM Instance is Down,

I am beginner for Oracle ASM I know we can alter asm_diskstring with following ways SqlPlus ASMCA but these requires +ASM to be UP and running. Is there way to set asm_diskstring when +ASM ...
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ORA-00604 (error occurred at recursive SQL level string) hides the real error

My multithreaded program inserts records into a table. ORA-00001 (unique constraint violated) should not be fatal. But prod environment has a complex configuration with read-only schema and the table ...
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error while creating user with a default tablespace

I am new to Oracle 12 and I don't know how to work with Container Databases (CDB) and Pluggable Databases (PDB). In Oracle Database 12c I created a database with the dbca and I created a tablespace ...
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39 views

Does SQL Server 2014 have a feature like Oracle Multitenant databases?

In Oracle 12c, a feature called Multitenant databases is available. This way you can have two seemingly separate databases installed on one system, yet be able to manage Backups and Resource ...
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What database name should I use to connect Tomcat with my database

I have a dump file in Oracle and I should use Oracle 12c. I installed it, created a database and imported the dump into a tablespace, but I can't connect it with my application on Tomcat. I'm lost ...
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Getting ORA-01017: invalid username/password in non-CDB database

I have installed Oracle 12c (software only in Linux) and created a non-CDB database (single tenant) database. Following is my listener.ora. LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = ...
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ORACLE12 - Connect Via SqlPlus

I have a local installation of Oracle Before i can connect directly via SqlPlus but now when i try to connect i have this error : ERROR: ORA-01034: ORACLE not available ORA-27101: shared ...
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60 views

FATAL INS-32012 Unable to create directory - Oracle 12c client installation

I am installing oracle client as Administrator in my Linux machine as a silent mode, I faced issue like this [FATAL] [INS-32012] Unable to create directory: /u01/app/12.1.0.2/admclient64. I don't ...
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87 views

Query against history table not using index (Oracle 12c)

I have a history table which has an 'ID' and 'TIMESTAMP' column as such CREATE TABLE hist ( HIST_ID INTEGER, HIST_TIMESTAMP TIMESTAMP, ID INTEGER, -- this is the id of the table that is being ...
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Oracle SQL 12c How to correctly use compound foreign keys in compound primary keys?

DISCLAIMER: I am a student. I do not work for an airline. I do not pretend to be a professional programmer. Greetings, I want understand what I need to correct in order for these tables to work ...
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60 views

Sanity Test on Oracle Upgrade Database

My oracle sever has been upgraded from Oracle 10g to 12c. DBA has created a box for that now my question is how developers will perform testing on that.. Can anyone provide me the sanity or unit ...
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Unable to open database (Datafile corrupted)

I am unable to open the database, but i am able to mount it. When i try to open the database, getting following error ORA-03113 - end-of-file on communication channel I am using Oracle 12C. On ...
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What system privilege is needed for a user to manage user accounts only

I'm looking to delegate user termination to our NOC. Requirements are: A user NOC will be created User NOC will execute stored procedures allowing them to either 1) lock another db account or 2) ...
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Can I delete an Oracle “Whole database backup” while a level 0 backup is being created?

I have created a Whole database backup using: -- In SQL*Plus ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE = 5000G SCOPE=BOTH; ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = 'O:\ORA_FRA'; alter system set ...
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Why is a Full Database Backup (as opposed to a level 0 backup) required in Oracle after switching to ARCHIVELOG mode?

The Oracle 12c 2 Day DBA manual states: While whole database backups can be an important element in your overall backup strategy, they are also a required step in some situations, such as when ...
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40 views

Export from Oracle 10g and import to Oracle 12c unable to create users

I have and old install of Oracle 10g with a lot of users and tablespaces in it, for development purposes. Now, I need to migrate these users, tablespaces and everything else, to an Oracle 12c ...
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22 views

How to time SPARQL queries on an Oracle12c database?

I have an Oracle 12c instance setup with an Apache Fuseki endpoint sitting on top of it. I am able to query the database using the Fuseki endpoint. I want to be able to get the execution time of some ...
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38 views

Importing Oracle12c database

i am using Oracle 12c in debian Jessie i want to import an old database exported with expdp on oracle 12c when i try to launch the commande 'impdp' i got those errors : 'ORA-39002: invalid operation' ...
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Load Multiple images (BLOBs) into the Oracle Database

I have a folder with several images. My database table is a simple table with 2 fields: name (char) and image (BLOB). How can I import my images located in my C disk (e.g.: C:\Users\me\images) into my ...
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Error ORA-12547: TNS:lost contact

I installed Oracle12c Database in my server i run SQLPLUS with the command 'sqlplus /nolog' and when i type 'conn sys /as sysdba' i got this error ORA-12547: TNS:lost contact Can you help me ...
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Record of schema related changes - Oracle

Is it possible to get the all changes that is made to schema as in what privileges was first assigned to the schema on creation, creation date, if later modified with different privilege what was that ...
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select string that doesn't contain a substring/field

TableA.content is varchar2(4000), which was populated from a CLOB value that contains markup and text for a website, paragraphs actually. TableB.keyword contains a string that I want to find in ...
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why database fill only one datafile of tablespace?

database tablespaces give error mail to me. It says TABLEINDEX haf %2 free size. But I looked, only 5.th datafile filled %85 and others are not filled (%0 or %1) all datafiles are 32 GB. I send photo. ...
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Oracle Listener.ora ignored

I have the following listener.ora file located in $ORACLE_HOME/network/admin/ : TESTSID = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = ...
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Error launching sqlplus

I try to run sqlplus on my server with the command sqlplus /as sysdba and I got this error sqlplus: error while loading shared libraries: ...
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176 views

missing files, installing Oracle DB 12c on Oracle Linux 7.2

when I try to Install the Database I get this error message: Source location is incomplete. Make sure you have downloaded and extracted all the relevant archives. I did try this twice with the same ...
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Massive deviation of tablespace max_size compared to bytes used by segments on that tablespace

I just checked the size of our tablespaces, because the admins said that they've made them bigger after we've had a full tablespace yesterday and I've discovered something really strange. I hope ...
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101 views

Connect to Oracle RAC from SQL Developer?

We have set up RAC database on server. We can connect to database from sqlplus on the server using SCAN address. However, if I try to connect to RAC using SQL developer from client machine using SCAN ...
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52 views

How to grant privileges to use DBMS_OUTPUT in Oracle?

SET SERVEROUTPUT ON, DBMS_OUTPUT work perfect in my user, System or DBA. But when i create new user, it's not work! How to grant privileges to use this?
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Can I install Oracle 12c and NOT use pluggable databases?

I've just installed Oracle 12c. I did not select any of the fancy new options, I just wanted an Oracle instance. I'm fairly new to Oracle but I was used to 11.2.0.4. Every command I try now fails ...
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TNS Time out Error ORA-12170

I am trying to connect to a remote Oracle 12c database from a client machine that has 11g oracle drivers for ODBC. I can reach to remote machine through ping but can not Telnet the remote machine on ...
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Can standby database of a physical database be pluggable or vice versa?

We are currently planning to upgrade our databases from 11g to 12c. But I have some confusions regarding 12c. Here are my questions. Can standby database of a non-container database be pluggable or ...
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Table redefinition ends with ORA-02448

I'm trying to redefine a table to be partitioned. What I did: CREATE TABLE WERTEVAR_TMP( "WVTEIL" NUMBER(10,0), "WVMERKMAL" NUMBER(5,0), "WVUNTERS" NUMBER(5,0), "WVWERTNR" ...
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Very large subpartitions after table redefinition

I'm trying to redefine a table to be partitioned. The original table has about 1.5M rows and about 150MB size. select segment_type, segment_name, bytes / 1014 / 1024 as SIZE_MB from user_segments ...
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What does node eviction mean in the Oracle RAC world?

Software environment: Oracle 12c with RAC running on RHEL The question might sound rather banal, but I wasn't able to find any word on this in the Oracle documentation I read thus far. By searching ...
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Exclude Generated Objects - SQL Developer

I am a software developer that supports and develops an application that connects to both Oracle databases and SQL Server databases. I have created a connection to a database (orcl) using the SYS ...
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How do you create a new database in SQL Developer?

I am a software developer that supports and develops an application that connects to both Oracle databases and SQL Server databases. I want to learn more about database administration. In SQL ...