Oracle is a RDBMS (Relational Database Management System) created by Oracle Corporation. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java. Also included is support for C (Pro*C, OCI and EXTPROC), C++ (OCCI) and Java (JDBC) ...
0
votes
1answer
76 views
Recommended Approach to Programmatically Backing Up/Restoring Oracle DB
Supposing I have an ever-growing Oracle DB on one server, and I want to duplicate this schema and the data on another server - what would be the best approach to achieving this as part of a bespoke ...
0
votes
0answers
34 views
What value should oracle.install.db.config.starterdb.memoryLimit be set to in the Oracle response file for a silent installation?
What happens when oracle.install.db.config.starterdb.memoryLimit is not set in the Oracle response file for a silent installation?
I noticed that when recording the response file for a silent Oracle ...
3
votes
1answer
206 views
Oracle: Full database (user) restore requires drop?
In our development environment (Oracle 11g), we often have to restore databases (users) to previous versions to test upgrades, verify defects, etc.
We are using expdp/impdp to perform our ...
0
votes
0answers
31 views
file extension of the file types cdump, incident, trace
I need to know the file extension of the file types cdump, incident, trace, alert.
Actually I want to create files of the above types manually using mkfile command.
There are no existing files of ...
0
votes
0answers
104 views
pl/sql developer show errors with arabic letter
I have pl/sql on my PC but when an error occurred while I write an incorrect sql query the oracle error message show with Arabic letter as below
ORA-00936:???? ????? ??????
I am using oracle-client ...
3
votes
1answer
77 views
Is it possible to use Oracle XMLTABLE and %type column type selector?
I am creating a stored procedure which gets an xml input and inserts the data to a table using XMLTABLE.
I want to know how can i specify a field type according to a table column type when passing ...
0
votes
0answers
41 views
Error PLS-00436: implementation restriction: cannot reference fields of BULK In-BIND table of records
i've problem here. i wanna create a Stored procedure like below, but i encountered error PLS-00436: implementation restriction: cannot reference fields of BULK In-BIND table of records.
create or ...
0
votes
1answer
54 views
Oracle's UTL_FILE
I am learning Oracle pl/sql by myself.
I need to create a procedure that exports a table to a csv file. For that I am thinking of UTL_FILE.Is there any good book or a site to get me started? I did ...
2
votes
1answer
132 views
Is it possible to re-initialize sequence
How do I re-initialize the sequence value without drop and recreating them again
For example, the current sequence value is 3, now I want to restart it with 1 again.
9
votes
2answers
139 views
Why is a “non-single-group group function” allowed in a subselect but not on it's own?
Why does the first query not fail with the same error as the second:
with w as (select 1 product_id, 10 units from dual union all select 2, 5 from dual)
select sum(units) from (select product_id, ...
2
votes
1answer
50 views
Enabling/disabling/changing Oracle auditing without a shutdown?
I have a large database that needs auditing on a very detailed level (every select, update, insert, and delete, along with the actual text of the statement) for about half the users. I know how to do ...
0
votes
0answers
155 views
Error AWR Operation failed: CATPROC not valid when creating database with dbca
I have a fresh installation of Oracle 11g enterprise edition on CentOS 6, both 64 bits. I have installed Oracle and so far everything looks fine. I have already added an started a listener. The ...
0
votes
1answer
144 views
What is the best way to insert a XML input to an oracle table in stored procedure?
I want to write a stored procedure which has a XML input (clob type) and inserts the data to a table. my XML structure is something like this:
<rowset>
<row>
...
0
votes
0answers
26 views
Refresh ORACLE OLAP cube
I am new at Oracle OLAP programming, and just wanted to know about Cube´s Data Update.
For example, right now I maintained and processed the cube for 2012 data; 2013 data is ready on the fact table ...
1
vote
0answers
64 views
Calling a function in remote database inside a stored procedure
There are 2 Oracle databases with pseudo names Remote and Local. I have a function in Remote called FUS.F_Return_10 which simply returns 10 for testing purposes, where FUS is a schema name. In Local I ...
0
votes
0answers
51 views
How can we hide our procedures in Oracle?
How can we hide our procedures in Oracle? Is there any other way except Wrap utility?
0
votes
1answer
136 views
Oracle schema import is not importing all the tables present in the schema dump file
I have exported an existing oracle schema from another machine and then imported it in my local machine. Import was successful, but some tables which are present in the export dump file are not ...
0
votes
0answers
34 views
Multiple principals in a single kerberos keytab file?
I have a situation where I have multiple keytab files (different principal accounts) and my application is going to use these different service
principal accounts and connect to one or more Oracle ...
0
votes
0answers
32 views
Why can't OUI detect system packages when they are already installed?
I am installing Oracle 11g 32bit on Ubuntu Linux and the OUI shows following error message on Prerequisite Checks screen -
This is a prerequisite condition to test whether the package "make-3.80" is ...
-1
votes
1answer
73 views
What must I already know to get profound knowledge in Oracle [closed]
I've been working with relational database systems for about 4 years, 2 years in Oracle particularly. I've been able to do pretty much everything I've needed so far but I know that the knowledge I ...
1
vote
1answer
325 views
ORACLE restore - how to restore specific .bkp file?
I just started working with oracle and I have some issue.
My database is NONARCHIVELOG mode.
I made two backups:
they are at locations:
...
0
votes
2answers
151 views
Oracle Undo tablespace users
Can anybody help me on "what all users are using the undo tablespace and how much" in oracle database 11g r2. any pointers would be much appreciated.
0
votes
1answer
119 views
Object-oriented programming CRUD design pattern
At first I have posted this question at http://cstheory.stackexchange.com/questions/17170/object-oriented-programming-crud-design-pattern - that's because I think it's a subect question, and it can ...
1
vote
3answers
118 views
How to enforce full integer (no floating point)?
Why is the following allowed
INSERT INTO c VALUES (123.2,'abcdefghijklmnopqrstuvwxyzabcdef', 'abcdefghijklmnop');
When table contains
CustomerID NUMBER(3,0) -- That's the 123.2 entry
In ...
0
votes
0answers
53 views
Oracle Alternative to EXISTS EXCEPT
I wonder if there is an equally elegant solution for Oracle for the problem posted and answered here:
Comparing Columns that can contain NULLS - is there a more elegant way?
I can't get this ...
1
vote
0answers
185 views
Registry error while trying to install Oracle 11g on Win 2008 R2
I am new to Oracle and trying to install Oracle database 11g Enterprise Edition on Windows 2008 Server R2 but getting this error all the time...
It gives me error when updating registry key ...
2
votes
1answer
67 views
Do roles have an owner in oracle?
Suppose that i have logged in to oracle database using user X. then user X creates some roles using create role command. I want to know that is user X the owner of the roles? and can i select all ...
-1
votes
2answers
75 views
Combine two SQL statements to a single statement [closed]
My question is related to SQL. I need to pull values from two different tables. I am not successful in doing that. I am able to join the two tables with only a single condition but not many values ...
3
votes
1answer
83 views
Convert SQL Server UPDATE Statement for Use in Oracle
I can not get this UPDATE statement to work in an Oracle environment. It was written for SQL server.
I am looking for some guidance on how to convert it.
UPDATE
SOB
SET
COA = CASE
...
0
votes
0answers
104 views
Oracle Connection Issue - TNS Protocol Adapter Error
I'm trying to connect to an Oracle database from a client machine and I'm getting an ORA-12560: TNS:protocol adapter error from a python script using pypyodbc as my ODBC library.
I have researched ...
0
votes
2answers
45 views
Multiple instances in Oracle
I'm really confuse with the term instance and database. So, my first question is how database and Instance are related in Oracle, I mean, whether an instance is associated with one/multiple ...
2
votes
1answer
180 views
Reset every Oracle sequence to the MAX value of its target table PK?
I finally got around to migrating from MySQL to Oracle and was pleasantly surprised just how well of a job the SQLDeveloper Migration tool did. It even took my AUTOINCREMENT fields and created ...
0
votes
1answer
64 views
PL/SQL for Updating 1 Column in Table A Where PK = a row in table B
Using an oracle DB, 11g r2, I need to write a pl/sql which updates one column in table A where the PK exists in table B, with commits ever ~50,00 rows.
3200000 rows are involved in the update, and ...
0
votes
1answer
80 views
Oracle equiv of T-SQL UNION ALL query
In T-SQL I can accumulate the results of two unioned queries using the following syntax:
SELECT Q.a, SUM(Q.b)
FROM (
SELECT f1 as a, f2 as b FROM TBL1
UNION ALL
SELECT f1 as a, f2 as b FROM TBL2
)
...
5
votes
1answer
131 views
What must be in place to validate a XMLTYPE against a schema?
I have a procedure that generates an XMLTYPE and I want to validate it against a schema. The problem is that there seems to be a permissions issue running createSchemaBasedXML because when I run the ...
0
votes
0answers
92 views
DBA group in Linux
When we need to install Oracle database in Linux then the user should be in dba group. What is this group and why the user should be in this group for installing Oracle database. What happens if the ...
1
vote
1answer
80 views
Using Oracle hierarchical queries for transposing field value into rows
One column in my table stores list of values separated by comma (I know it's a poor design, but refactoring is not an option at the current moment). I seem to come up with a working solution but I'm ...
0
votes
1answer
60 views
List partitioning or filtering a non-partitioned table, which incurs lower cost?
Consider a list partitioned table PARTITIONED__SOURCE_TBL on column period, and non-partitioned table SOURCE_TBL also having the same columns. Assume all tables are adequately indexed.
Set 1:
...
1
vote
4answers
176 views
Copying my Oracle 10g Express database to another PC
I have Oracle 10g Express. How can I make a copy of my database and application?
I don't want to make a back up, I want to move my DB and application to another PC.
3
votes
2answers
448 views
Shrinking the SYSTEM tablespace in Oracle
Our SYSTEM tablespace grew out of control because of the SYS.AUD$ table.
We have truncated SYS.AUD$ but the datafile is still very big (~30G).
Resize doesn't work because the file contains used data ...
1
vote
0answers
303 views
Oracle 11g R2 on CentOS 6.3, and Net Configuration Assistant
this is my first time to install Oracle 11g R2 on Linux.
I made all instructions in Oracle documentation.
But in the installation process, the Net Configuration Manager is failed.
I continued the ...
0
votes
1answer
100 views
Oracle trigger to update columns daily
I'm trying to create a trigger that would run twice daily and do updates based on a specific condition.
To be run on Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
We have Table A ...
0
votes
0answers
43 views
No network ACL, yet my user can successfully connect to external server
This one's had both me and our dba scratching our heads.
We have an Oracle 11.1.0.7.0 instance, DEV, with a user who can successfully connect to our ldap server, e.g.:
DECLARE
l_session ...
3
votes
1answer
119 views
Oracle: Non key-preserved table should be
I'm getting "ORA-01779: cannot modify a column which maps to a non key-preserved table" when I try to update a join. I've searched around the site and found a lot of advice on what key-preserved ...
3
votes
1answer
328 views
Oracle insert through dblink performance issue
I'm trying to do an insert as select to a table via dblink. The query looks like this:
Insert into MARS_SUPERVISORS_PUB@EDHPUB
select
{...}
from edhper a, edhper b
where ...
0
votes
1answer
81 views
ORA-01435: user does not exist
I am trying to run the SQL queries coded on my friend's laptop onto mine. I have imported the .sql file into SQL developer and I'm trying to run it.However, I keep getting the error:
01435. 00000 - ...
0
votes
2answers
51 views
Expand sparse table with self outer join on distinct values
I have this:
g1 | g2 | x
---------+-----------+-----
New York | Monday | 210
New York | Tuesday | 258
Chicago | Monday | 30
Chicago | Wednesday | 25
LA | Thursday | 40
...
0
votes
1answer
140 views
SYSDBA password in Oracle DB
I am connecting to Oracle DB using sysdba:
sqlplus / as sysdba
What is the default password for sysdba user. I tried in net and found out the default password is change_on_install but it is not ...
4
votes
1answer
70 views
Oracle BLOB store performance
LOBs in Oracle are stored in-row when they are less than 4K in size and out-of-row otherwise.
I'm wondering how do SECUREFILE storage options COMPRESS and ENABLE STORAGE IN ROW work?
I have a lot of ...
5
votes
1answer
365 views
How to resolve ORA-01031: insufficient priviledges error on Windows installation?
I installed Oracle 11G on my Windows 2008 R2 Server. I also installed Oracle Client Libraries using separate installation media. After the client installation, when I try to log into the database ...
