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1
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0answers
46 views

Is there a way to throttle MySQL requests to mitigate DoS traffic?

I've a server with ~200 wordpress websites hosted. When Google Favicon bot pays us a visit it searches all the sites indexed on our IP, that means it's requesting ~200 favicons. Most of the sites ...
0
votes
1answer
34 views

ORA-01031: insufficient privileges while connecting to standby

I configured standby database and it worked for a while but now I noticed that redo logs thread on standby much less that on the primary. After researching alert log and trace files, I figured out ...
-2
votes
1answer
37 views

Connect an desktop application to my SQL Server using internet

I want to connect a desktop app to a SQL Server using internet, not local. The app will run on every network in the world with internet and the data will retrieve and send from my PC using SQL ...
16
votes
2answers
713 views

Max number of user connections

In SQL Server 2012 Standard edition, I know that the max number of user connections is 32,767. What should I do as a DBA if I am heading towards this number? Currently there are 30,000 user ...
2
votes
1answer
76 views

Significance of “.WORLD” on end of Oracle connection

What is the significance of having ".WORLD" on the end of an Oracle connection name? I've found things to still connect without that suffix. I've also noticed that both the client tnsnames.ora file ...
-3
votes
1answer
69 views

Unable to connect to SQL server 2008 R2 via computer name [closed]

I wrote a program, on my computer it works correctly because SQL Server us running on my computer, but another computer in the network can't use the database. Here is the definition of the connection ...
0
votes
1answer
16 views

Problems to connect to an Oracle Database with SQLPLUS and URL-Variable, can somebody explain what I have to do?

I would like to connect to a ORACLE database via SQLplus. If I do it this way: sqlplus "user/pw@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP) (HOST=dbsrv01.desy.de)(PORT=1521))(ADDRESS=(PROTOCOL = TCP)(HOST = ...
3
votes
1answer
52 views

Are database connections from an application expensive from a performance point of view?

A colleague tells me that connections to a database are expensive and could harm performance of the application. They ask me to create a procedure that calls say another 8 procedures, that way they ...
-1
votes
2answers
46 views

MySQL Server Disappeared

I haven't used my MySQL local server in over a year. Today I tried to get in to it, and the server seems to have just vanished. I've been searching a troubleshooting all day and have gotten nowhere. ...
1
vote
1answer
36 views

Not able to connect to local MySql database “only” when connected to VPN on VM [closed]

Setup: MySql installed on my Mac using Xammp VM installed using VMware Fusion running win XP. I am able to connect to the mysql database through my VM normally. As soon as I connect to a VPN it ...
0
votes
1answer
69 views

psql: could not connect to server

when I'm executing U postgres -d "phoenix" -a -f "/northstar/phoenix/runtime/Daily-script/query.sql" this command i got the following errore psql: could not connect to server: No such file or ...
1
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0answers
100 views

Suddenly unable to connect to PostgreSQL

I have a simple backend running on a server back at my house while I'm away at college. I had it just sitting there, doing nothing, with daily endpoint tests for about a month, when suddenly yesterday ...
4
votes
1answer
55 views

Any potential issues/ DoS risks with frequent connections/ queries to a SQL Server db?

A database team suspects there may be an issue with a third-party ETL application opening, and closing, connections to a SQL server database repeatedly. In terms of exact numbers --- it opens about ...
2
votes
2answers
63 views

How can I check if connection to Sql Server is encrypted?

In Sql Server I can Force Encrytion in protocols settings. If I leave that set to No any client can still require encryption. Can I somehow see what connections to the database are using encryption?
0
votes
1answer
30 views

Remote access from domain and other pages on that domain

I know that you can access a database from a domain name with a user like this user@example.com but will this user also be able to access the database if they are trying to connect via another page on ...
1
vote
0answers
59 views

Sql Server Reporting Services will not connect to sql server 2008r2 using SQL server Connection

I have set up a new SQL Server 2014 default instance. In my Sql Server 2014 Configuration manager I see my 32 and 64 bit SQL Native Client 11.0 configurations and all protocols, pipes, tcp/ip,shared ...
1
vote
1answer
778 views

Cannot connect to MySQL sever with MySQL Workbench

I am using MySQL 5.6.26 Community Server on a Mac OSX 10.10.4. The server is running, according to the preference pane utility. Also I can connect to the server using the command line tool with the ...
1
vote
1answer
60 views

SQL Server remote connection to 2nd instance impossible

After installation of another SQL Server 2014 instance to a server where a default instance of SQL Server 2008 R2 is present, I cannot remote connect remote to the new named instance. The default ...
2
votes
1answer
53 views

MySQL connection process slow for non-root user

I'm using Percona server 5.6 on Linux. When I connect to MySQL from the command line as the root user, it connects immediately. I have also created a new user in the database, but when I try to ...
1
vote
0answers
125 views

Problem connecting to SSRS reporting services - SQL Server 2014 to SSRS 2012

When I try to connect to my reporting services server (SQL Server 2005) from my local machine, SQL Server 2014 I get the error message below Invalid Namespace (System.Management) But when I ...
0
votes
1answer
123 views

Exception when trying to connect to remove MySQL from Intellij IDEA

I can't connect from Jetbrains IDA to my MySQL at AWS. I am getting exception: Connection to MySQL - aws failed java.sql.SQLException: Communications link failure The last packet sent successfully ...
1
vote
1answer
2k views

Oracle intermittently throws “ORA-12516, TNS:listener could not find available handler with matching protocol stack”

While testing the Oracle XE connection establishing mechanism I bumped into the following issue. Although connections are closed on each iteration, after 50-100 connections Oracle starts throwing ...
0
votes
1answer
499 views

SQL Server connection string

I have moved a site from a Window Server 2003 server to a Window Server 2008 server (64 bit). The site connects to a SQL Server 2005 database. I imported the database, and I am running it under SQL ...
2
votes
1answer
64 views

What does Oracle use for handling a client connection (process or thread)?

SQL Server 2016 and MySQL 5.7 use thread-based connection handling. PostgreSQL 9.5 uses one operating system process for each individual connection. According to Oracle 12c documentation it's not ...
1
vote
2answers
152 views

Access to database denied :ELEPHANTSQL on Bluemix - “No pg_hba.conf entry for host localhost, user ADMIN, database SYSTEM”

While trying to connect to my ElephantSQL database on Bluemix using pgadmin, it throws the following error. Access to database denied The server doesn't grant access to the database: the server ...
1
vote
1answer
179 views

Multi-thread Informatica connections to use different processors on target database server

See this question for reference. Can data streams from Informatica to SQL Server be multi-threaded? I've got most of my problem figured out. I've split up the one large table into four smaller ...
1
vote
1answer
1k views

SSIS Job “Argument ”ORARA********.xxxxxxx.COM“ for option ”connection“ is not valid. The command line parameters are invalid. The step failed. ” error

My SSIS package is running fine in BIDS but when I tried to schedule the job it's showing: Argument "ORARACOCCUAT1.xxxxxxx.COM" for option "connection" is not valid. The command line parameters ...
0
votes
1answer
89 views

Redirect Connections to a SQL Instance

I have a LAN in which clients connect to the SQL installed on a Server with the IP address of 192.168.1.10 (SERVER_A) . I have another SQL instance installed on another server with the IP address of ...
0
votes
1answer
30 views

Connection to a MySQL server fails after server restart

Until this morning I could connect via Sequel Pro to one of our networked machines that has the MySQL server on it. Today, however, it's another story: when I am trying to connect, it times out. Even ...
1
vote
1answer
157 views

What connection string to use to connect to network server?

I have a database on my computer running on SQL Server Express 2014, and I'd like other computers connected to my network to be able to connect to it using a C# program I wrote. I've done the ...
1
vote
1answer
1k views

Azure SQL Database “Login failed for user” in application, but works fine in SSMS

I wanted to try out the contained database users feature on Azure SQL Database V12, but I'm having a problem authenticating that seems odd to me. I created a database called Classifier. I added my ...
0
votes
0answers
155 views

sys.sp_reset_connection. Why theres a lot of them ?

Theres a lot of questions here on DBA EXCHANGE. But none of them can help me. I have 2 problems: 1) Using sp_whoisactive, I found lots of sys.sp_reset_connection;1( I know they are ...
1
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2answers
1k views

JDBC local MSSQL Server connection string

I have installed open source database management tool "dbeaver" and want to use it instead of Sql Server Management Studio. But there is a problem. I searched from the internet but somehow I could not ...
0
votes
2answers
159 views

How to block external connections for an Oracle database?

I have an oracle database (11g-r2) on my (windows) computer for development, and I am trying to forbid any outside connections. Is there a way to do this?
1
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0answers
160 views

Excel and Oracle SQL Connection

I am connecting to an Oracle DB and return data with Excel 2010. I have setup the connection in my workbook and my connection string looks as follows, ...
0
votes
1answer
176 views

Mysql - Examine last query run by thread in sleep state

I am seeing some threads in the "sleep" state for longer than normal. Normal maybe being 1-3 seconds with the abnormal being up to 60 seconds or longer. It makes sense that this is an application ...
0
votes
0answers
116 views

How to identify a client application whose host_process_id points to sqlserver.exe

I am in the process of trying to identify a client application which uses one of the SQL Servers I support (2008 R2). Periodic queries against sys.dm_exec_sessions regularly return sessions whose ...
0
votes
0answers
122 views

Can't connect to other instance of SQL Server 2012

I'm working through a Microsoft exam study book. I have set up 2 SQL Servers (both 2012 Standard on Server 2008 R2) and a DC. The book wants me to remotely connect SQL-A to SQL-B. Unfortunately the ...
0
votes
2answers
33k views

How to solve “Can't connect to local MySQL server through socket” error?

I kept getting this following error every time I tried to restart MySql. It was working fine before I changed the default data directory. ERROR 2002 (HY000): Can't connect to local MySQL server ...
0
votes
1answer
37 views

MySQL max_connctions+1

I experienced an incident that my connections are full. Even I as an administrator I cannot log to MySQL due to "too many connections.". Does anybody knows how to setup this max_connections+1? I use ...
0
votes
0answers
73 views

SQLSTATE:HY000, SQLCODE: -385

I am getting the following error when I try to deploy my tabular model to a local instance localhost\tabular The model processes on my local PC with no errors but when I try to deploy it fails with ...
0
votes
5answers
19k views

Remote MySQL connection fails (10060) - “Can't connect to MySQL server on domainname.com(10060)”

I have developed one application in vb6, and i am using online MySQL database server for storing my application's data. So when i am try to connect with my database server,when first time i connect to ...
1
vote
1answer
370 views

Connect to remote EC2 Postgresql database

I want to setup a connection between a webserver and a PostgreSQL 9.3 server. Both are hosted on Amazon EC2 servers and are part of the same security group. I can't get the connection working. The ...
1
vote
2answers
56 views

Is there an easy way to update connection strings to a database moved to a different instance

I have created a new instance of SQL Server 2008 r2 and exported my database to the new instance. Then I realized that the connection string for all of my datasets still point to the original ...
1
vote
0answers
163 views

SSMS login fail to Linked Server

i have one server with SQL server 2012 standard on cloud environment and one linked server with sql express on remote location connected with VPN , im using transactional replication every time when ...
0
votes
1answer
195 views

AD group cannot connect to SQL from excel

We have a data warehouse and users are trying to browse the database directly from excel. We put those users in an AD group and give them read only permission to a couple of databases. The problem is ...
0
votes
1answer
270 views

Large long-running reporting queries are causing very slow new mysql connections

Usually, mysql's connecton time is in the 0.001 second range. However, when I run a large reporting query (that spans multiple tables with aggregates), I get tons of warnings saying that new mysql ...
2
votes
1answer
878 views

Connect to PostgreSQL via a ssh tunnel using Cygwin

I would like to connect to a Postgres server installed on a remote server using an ssh tunnel. I have Windows so I use cygwin for SSH. I do the following on cygwin: # Create the tunnel ssh -f ...
3
votes
1answer
203 views

How can I create notification on user's connecting to database?

I have users that have access to several databases. I used to have an alert and notification sent to me when a specific user connects to a specific database, but I accidentally clobbered it. Now I ...
0
votes
1answer
168 views

Forget login from connection drop down menu [duplicate]

Recently I logged myself as a different user (testUser) but now that user seems to be persisted in the drop-down menu of connection dialogue box and I couldn't find a way of getting rid of it. Even ...