SQL & PL/SQL :: How Many Users Can Connect With Database
Apr 23, 2010I want to know what will be the performance of my DB before loading data and how many users can connect with my database.
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Security :: Check Users / IPs Who Connect To Database In Specific Time
Jan 22, 2013Is there a way where I can check users/IPs who connect to the database in a specific time 2 days ago?
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Oct 6, 2010I have the following computer/setup:
Acer laptop, Intel Processor w/ Windows 7 Professional (64-bit)
Delphi 2010 Professional
Oracle XE (+ the Oracle XE client that comes with it)
I cannot can't to the Oracle database from Delphi. The error I keep getting is:
Alias is not currently opened. [Oracle][ODBC][Ora]ORA-12154:TNS: could not resolve the connet identifier specified.
Here's what I've done:
1. Create an ODBC connection to my Oracle database
- run C:WindowsSysWOW64odbcad32.exe to open the ODBC administrator.
- Data source name: bt_user
- TNS Server Name: localhost/xe
- user bt_user
- Clicked "test connection" -- Success.
2. Open Delphi and drop a TDatabase component on my main form.
- Set the Alias Name property to "bt_user" (the alias I set up in ODBC)
- Set database name to "bt_user".
- Checked "connected".
Alternatively, I tried using the Delphi ADO components (the dbGo components).
- Drop TADOConnection component on my form.
- Select "connection string" and open the dialog.
- Click "build string".
- Select "Microsoft OLE DB Provider for ODBC Drivers" from the selection.
- In "use data source", select "bt_user" from the drop-down list (my ODBC connection from #1)
- Click "test connection".
Again the same error.
My questions are:
1. Can Delphi work with Oracle XE (Express Edition)?
2. If so, then do I need to install the "Instant Client"?
3. Will the instant client for Oracle 10g work with Oracle 10g XE?
4. Do I need to install any additional ODBC driver(s)?
5. Why was I successful in creating the ODBC connection in Windows, but it failed in Delphi?
6. Will Visual Studio.NET (C#) work with Oracle XE, and what are the steps for setting that up?
Create As Many As 100 Database With Upto 100 Users (max) For Each Database As Client
Aug 25, 2010I have CPU based Oracle server license. In this case as per license policies of Oracle I can have unlimited database with unlimited users connecting it.
I need to create as many as 100 database with upto 100 users (max) for each database as client. What is the recommended hardware for this server? CPU/ RAM/Harddisk, recommended chipset on the motherboard (in case of database storage capacity required is not high typically - 20 GB is OK per database - average), redundancy is critical, also Oracle database vault is going to be installed; as security is of prime importance between users of different database. Which specific server models from specific vendors like IBM/ Dell/ HP are good ones for this purpose?
How To Limit Users From Connecting To Database
Aug 14, 2012i have a database nd only 10 users must allowed to access db at any point of time and sessions per user must be 1.that is only 10 users must be able to access the database.
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Mar 19, 2012select username,account_status,default_tablespace from dba_users;
The ran the above query and it return 80 users but when i ran below query it shows just 14 rows.
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Apr 12, 2011I create different database users like STORE, PAYROLL, GL , SYSADMIN, COMMON to contain objects accordingly then I create another user ABC and grant DBA privileges to all users.
After that I grant SELECT/INSERT/UPDATE/DELETE privileges on each and every objects of STORE/PAYROLL/GL/SYSADMIN/COMMON users to ABC then create synonyms of STORE/PAYROLL/GL/SYSADMIN/COMMON users objects into ABC.
Actually, I want to use single user of ABC to build/execute my application but I think I am doing something wrong because whenever I tried to compile my form, its showing this error.
SQL & PL/SQL :: To Find Time At Which Query Fired By Any Of Users In Database
Oct 25, 2010I have 10 users in my database, I need to find the time at which a query is fired by any of the users in the database. provide the query for this? I think i have to use V$sql,v$sqlarea or v$sql.
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Nov 10, 2011For example, I have 3 database, database 1 and database 2 connect together by database link db_link1, database 2 and database 3 connect together by database link db_link2.
I want to ask: Can I connect from database 1 to database 3 ? ( Of course don't use database link between database 1 and 3, just use database db_link1 and db_link2 )
Both db_link1 and db_link2 are public database link.
Can I restrict user access by 2 these public database link ?
ORA-257 Not Able To Connect To Database?
Feb 11, 2013I am not able to connect to database due to ORA-257. So manually i deleted the archivelog files in diskgroup. however it is showing 13gb free space after deletiion. Archive log files generated due to Import job is running.
In below ways i have tried to connect to database.
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2) Through RMAN i tried to connect (Not able to connect)
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Sep 10, 2008I'm writing PRO C program with oracle 8i. My process first connect to the database with using ora_connect(), proceed the task then diconnect with using ora_disconnect(). This would always in a loop, recently after few cycle of connect and disconnect, when the next issue connect statement, it was unable to connect and return me ora-00604 and the process end. Even i restart the process, after few cycle also the same return me ora-00604 during the connect.
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Aug 29, 2012 My database in on 10.2.0.3 and facing hang problem when I am connecting to sqlplus.
bash-3.00$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.3.0 - Production on Wed Aug 29 00:54:03 2012
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
ERROR:
ORA-01075: you are currently logged on
As per Metalink note(215858.1) suggested in forums I have followed steps and produced results below.
bash-3.00$ sqlplus -prelim
SQL*Plus: Release 10.2.0.3.0 - Production on Tue Aug 28 23:28:02 2012
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
Enter user-name: / as sysdba
SYS on test>oradebug help
SYS on test>oradebug setmypid
Statement processed.
SYS on test>oradebug hanganalyze 12
[code]...
Now I have got struck how to analyze above results.
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Oct 19, 2012I am trying to develop a web application with C # VS.net, my application is to connect to an Oracle database on a server (LAN), the problem I want to connect to the database without install oracle or ODP on my client machine.
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Jun 8, 2011How can i connect my d2k form to database, when i installed d2k it gave an error like :
user1.pin(20):os_error while spawning ifsrv660-install forms60 server port=9000
mode=socket batch=yes
after installation when i want to compile my form it gave tns error like:
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XE :: 11g - Can't Connect To Database After Installation
Jan 31, 2013I recently installed Oracle database 11g XE onto my home computer running Windows 32 bit, but I can't connect to the database. I also have Oracle 10g R2 installed on my computer, and I can still connect to it finely. When trying to make a connection in SQL DEVELOPER, I get this error
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
I tried to tnsping the XE database and it returns successfully.
C:>tnsping xe
TNS Ping Utility for 32-bit Windows: Version 11.2.0.2.0 - Production on 31-JAN-2
013 07:59:17
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
C:oraclexeapporacleproduct11.2.0server
etworkadminsqlnet.ora
[code]....
Connect To Database Through JDBC?
Jul 17, 2013 have a problem while i am trying to connect to database through JDBC here is my code,i am using oracle11g express edition import java.sql.
Connection;import java.sql.DriverManager;import java.sql.SQLException;import java.sql.Statement; public class connectiontoDB { public static void main(String[] args) throws Exception { // TODO Auto-generated method stub try{ Class.forName("oracle.jdbc.driver.OracleDriver"); Connection con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORCL","citi","citi"); Statement stmt=con.createStatement(); stmt.executeUpdate("create table user(id number(10))"); System.out.println("connected to database successfully"); } catch(Exception e){ e.printStackTrace();
Oracle Database - Cannot Connect From PHP Script
Jul 19, 2010I have created an Oracle database on my Windows XP system but cannot connect from a php script
CODE
<?php
if (!$db = @ocilogon("big", "big", "s7s"))
{
$error = ocierror();
printf("Error was: %s", $error["message"]);
die();
}
$stmt = ociparse($db,"SELECT count(*) FROM members");
ociexecute($stmt);
?>
When I created the database the connection I used was s7s but whether or not I include that name or just use the ID/password that script will not connect.
SQL & PL/SQL :: Code To Connect External Database
Apr 8, 2013How to write a code(procedure) to connect external database through PLsql coding.. I mean,
first, "Create connection like connection string", then "retrieve data from tables inside the database".
