Top "Database-connection" questions

A database connection is a facility that allows client software to communicate with database server software, whether on the same machine or not.

Error No. 2003. Can't connect to mysql server

I has had two days searching and exploring solutions regarding the error 2003. Can't connect to mysql server on 'Server name'. …

mysql database-connection sqlyog
Quick ways to test OLE DB Connection String

For debugging purpose I'd like to know ways to test OLE DB connection string quickly. I've found this free software, …

.net connection-string oledb database-connection
Remote connect to clearDB heroku database

How can i perform a remote connect to ClearDB MySQL database on heroku using for example MySQL Query Browser. Where …

mysql database heroku database-connection
What is the difference between maxActive vs. maxIdle for Tomcat connection pools?

The tomcat connection pool has a setting called maxActive and a setting called maxIdle my questions are. What is the …

tomcat database-connection
JDBC Connection pooling using C3P0

Following is my helper class to get DB connection: I've used the C3P0 connection pooling as described here. public …

java database database-connection connection-pooling c3p0
How can I connect to Oracle Database 11g server through ssh tunnel chain (double tunnel, server in company network)?

I have SSH access to 'public' server, which is also the gateway to company network. There is another server in …

oracle ssh database-connection ssh-tunnel
Testing an Entity Framework database connection

I have an app that connects to a MYSQL database through the entity framework. It works 100% perfectly, but I would …

c# mysql entity-framework testing database-connection
Error: mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication

I am getting the following error: Database connection failed: mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication. Please …

php mysql sql database database-connection
SQL Express connection string: mdf file location relative to application location

I am using SQL Express databases as part of a unit test project in c#. My databases is located here: ./…

c# sql connection-string database-connection sql-server-express
What is database pooling?

I just wanted to know the concept of database connection pooling and how it is achieved.

java database database-connection connection-pooling