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0answers
14 views

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:\> ...
-3
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0answers
24 views

Oracle Restoring Database on Existing Database or rename database

I want to change my DB name in Oracle. I am using this command: nid TARGET=SYS/welc0me12$@CSPROD DBNAME=CSGOLD SETNAME=Y After that I am getting an error: Datafile ...
2
votes
1answer
55 views

Drop 15 days records in monthly partition

I have created a monthly partition on my table like below: PARTITION BY RANGE (PARTITION_KEY) INTERVAL(NUMTOYMINTERVAL(1, 'MONTH')) ( PARTITION MayPartition VALUES LESS THAN ...
0
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1answer
54 views

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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1answer
21 views

Oracle 12c : Unable to install sample schemata on Windows 10

I've gone through lots of trial and errors in installing the sample schemata for Oracle 12c and still can't get it right. I have a pluggable database named PDB01. I also have an instantclient ...
1
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1answer
24 views

Statement specific auditing - Oracle

I have enabled default auditing in one of my database. Oracle 11g. Audit_trail is set to DB, other than that for a particular schema 'test' I have set: audit all on test by access With the above ...
0
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1answer
36 views

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 ...
0
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2answers
34 views

RMAN Overhead on the database

What is the overhead of RMAN hot backup (full backup including archive logs) being performed during business hours? Does it actually affect the performance of the database? What is the case when ...
1
vote
1answer
32 views

Why doesn't Oracle show my privileges?

I have a user that is able to drop, alter, create tables and indexes. But when I list the privileges for my Oracle user it does not show any CREATE TABLE or other such privileges. How am I able to do ...
0
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1answer
22 views

How to export own objects using expdp without special privileges?

As per this post on Oracle forums expdp can be used to export your own schema without any special privileges: It all depends on what you want that user to be able to export/import. If all that ...
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votes
1answer
39 views

Singe database account for all users [on hold]

Welcome everyone, I'm wondering if one common database account for all users of web application is enough or I should create database account for each user in order to carry out some querying? Can ...
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0answers
17 views

Grant access schema to user [on hold]

Getting error while writing the following query SQL>grant select, insert, update, alter, delete on schema::schema_name to user; showing as missing keyword –
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2answers
24 views

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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0answers
7 views

JMX interface to an API that provides Oracle Database performance statistics [on hold]

Do we have any API that provides Oracle DB performance statistics ? I am looking for such an API and how to connect to it using JMX (if it has any JMX interface)
0
votes
1answer
18 views

ORACLE - Trying to return MAX or MIN based on a CASE statement

I'm working on a query to give me either a MAX or a MIN based on whether another column is divisible by 2. SELECT CASE mod(ROLE_TYPE, 2) WHEN 1 THEN MAX(SALARY) ELSE ...
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0answers
19 views

How to use an external encryption key in an Oracle function?

I am storing People data in an Oracle 11g database. I am implementing symmetric encryption on one sensitive data column in my People table. For this, I created an Encrypt function based on the example ...
-1
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0answers
23 views

Decomposition of complex queries [on hold]

select c.ssn,c.cname,c.address,c.ph,c.age from customer c,account a,acc_cust ac,loan_cust lc where c.ssn=ac.ssn and a.accno=ac.accno and c.ssn=lc.ssn and a.atype='joint' group by ...
0
votes
1answer
35 views

Does Oracle randomly switch execution plans to check if there is a better solution?

I had a talk with an external colleague about oracle "swinging in" its performance. In detail it was about, that oracle optimizes its execution plans for the same query by time. I don't talk about ...
2
votes
2answers
61 views

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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0answers
40 views

Using a trigger to check whether a matching record exists

I have a database model set up as in the picture above, modelling a student's enrolment into a unit with an associative entity to facilitate the m:n relationship. I wish to code a trigger that will ...
3
votes
2answers
41 views

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 ...
0
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2answers
29 views

Can multiple Oracle databases share a single parameter file?

I'm a developer working on an application team that supports a system with one production database and 4 test databases (2 Dev, a SIT and UAT environment). The prod database exists on it's own Unix ...
1
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1answer
46 views

Oracle index with REGEXP_REPLACE is it a good idea?

I have a table of contacts with 1 million registers and now the user wants to search in it by the telephone. Trying to avoid a fullscan I decided to create a new index in this column, but the trick ...
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3answers
115 views

Oracle union default sort is weird [closed]

As you know union removes duplicated rows. I thought it removes from the latter ones, but it doesn't. I found out that if there's no order by clause, Oracle sorts the merged dataset by the first ...
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0answers
16 views

Oracle schema for educational Purpose [closed]

Is there any schema other than HR in the oracle database.? I am learning something, Just wanted to explore other scenarios other than HR. Thanks AK
1
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2answers
46 views

How can I stop Oracle Shutdown command?

I used Shutdown normal, instead of Shutdown immediate. Now I want to stop the process, because its taking too long. How can I do it?
3
votes
2answers
36 views

How to assign a constant to a value on all rows, if that value is adjacent to some value on any row

I have data like this (STATUS, and NAME are the column headers): STATUS NAME ACTIVE A1 INACTIVE A1 INACTIVE B1 INACTIVE B1 I want to include a CUSTOM field that returns a ...
1
vote
3answers
116 views

Avoid repeated traversing of hierarchical data when parsing a big tree frequently

I have a hierarchical/tree data structure in Oracle/RDBMS where I need to traverse the tree frequently. The tree is huge and therefore parsing it every time will not be efficient. A better way could ...
3
votes
1answer
38 views

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 ...
2
votes
1answer
57 views

CRON and RMAN Backups

We run RMAN backups via CRON jobs, but find the out-of-the-box emails with CRON to almost do what we want. I know we can channel the RMAN output to /dev/null so no email is sent, which for any ...
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0answers
17 views

oracle join from multiple tables [closed]

I have to extract data(Table1.Name,Table1.ID,Table2.desc,Table4.desc) from four tables. ->Table1(Name,ID,Group_Id) ->Table2(Group_Id,desc) ->Table3(Group_Id,perm_id) ->Table4(perm_id,desc) In ...
0
votes
1answer
39 views

Syntax help in SQLPLUS

Does Oracle have any builtin SQL syntax help. I find I may have forgotten a few statements and sometimes have no Internet access. I am using Oracle 11g.
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1answer
31 views

How to remove datafile from oracle database which is already remove locally?

Created one dbf file from my database using following command, alter tablesapce PAULA_INDEX add datafile '/u02/oradata/hfd1/index/index17.dbf' size 2000M; This dbf file is created in my server ...
1
vote
1answer
48 views

How big is my oracle database?

I need to determine the total size of an oracle database. Ideas on improving the following query? SELECT 'DataFiles: ' AS TYPE, SUM (bytes / 1024 / 1024) AS MB FROM dba_data_files UNION SELECT ...
2
votes
2answers
40 views

why I can't set oracle sessions value = 35?

I want to simulate the error "ORA-00018.Maximum number of sessions exceed",so I want to limit sessions = 35 and I am going to open serverl sqlplus to simulate this error,but sessions number didnt ...
0
votes
1answer
37 views

Oracle date not returning the right data

I don't know whats going on here, but here is my table (budget) with select * from budget : |budget_id|as_of_date|quarter_1|quarter_2|quarter_3|quarter_4| |1 |15-MAY-16 |400 |100 ...
1
vote
1answer
23 views

Ranking based off conditional field

I am looking to select only 1 row based off the IMMS_ID field. Which row I select is based off this if statement (excuse the syntax) if (status group based off IMMS_ID) status='DI' select the DI row ...
0
votes
1answer
46 views

How to do data migration between different schemas?

My company is in the process of migrating a customer's data from their third party system into our own system. We currently use a java application that we have developed in house that selects data ...
1
vote
1answer
29 views

ORACLE: Changing the grouping of a data to be based on month breakdowns

To keep this short and to the point, I am looking at modifying the grouping for this SQL query to go from NAME to Month/yy Here is a example of the script, and screenshots of the output file This is ...
0
votes
3answers
79 views

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 ...
1
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0answers
38 views

How to recover LogMiner after its tablespace had been deleted?

Here is my story: I created separate table space for Log Miner, create tablespace logminer_ts datafile '/path/to/logminer.dbf' size 50M AUTOEXTEND ON And moved Log Miner to the created table ...
0
votes
2answers
45 views

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 ...
0
votes
2answers
52 views

Is is posible to sample a database

Is it possible to sample any SQL database? By sampling I means the database table should remain and retaining the foreign key constraints. But the actual rows from the table should be reduced.If I ...
1
vote
1answer
32 views

Reset schema oracle

I'm running systemtest that updates a oracle schema. I need to reset the whole scheme between runs. Is there an easy way to do this in oracle 12. I have looked at flashback but it doesn't seem to be ...
0
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0answers
42 views

Connecting Oracle 11g to Postgres via dblink

I have administrator access to our Oracle database , but was wondering if its possible to connect an Oracle 11g database to Postgres database and if so, what steps would I need to follow. I've seen ...
0
votes
2answers
51 views

INSERT OR REPLACE INTO + SELECT as source in Oracle

I have two tables A and B. I want to insert B's content into table A. The issue is there's a row in B that already exists in A. I've searched and I found some answers talking about MERGE, but no ...
1
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2answers
98 views

Need advice on database normalization

I am working on a basic blood bank database on Oracle. I would like to create a completely basic normalized table and then I will add more details to it. I have done it to the 2NF and I will further ...
0
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0answers
25 views

jdbc Datasource error BEA-001131 Closed Connection

I have Installed weblogic 10.3.5. On database side I have RAC environment with Two instance. I have created GRIDLINK DataSource with XA DRIVERS. NAME: test JNDI: jdbc/testDS NOTE: I ...
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0answers
40 views

How to get email notification when dbms_scheduler jobs are created under user_schema rather then sys?

i login as sys and set the smtp for scheduler BEGIN DBMS_SCHEDULER.set_scheduler_attribute('email_server', '10.1.1.15'); DBMS_SCHEDULER.set_scheduler_attribute('email_sender', 'user@compny.com'); ...
1
vote
1answer
34 views

Copy a single record to a replica table before update using trigger (Oracle 12c)

I want to insert a complete record (before updating original record) to a replica table using trigger. Following are the sample tables: create table customer ( cID number, cName ...