Database connections

Database connections, Connection strings for SQL Databases, MS SQL Server database connection strings, Oracle connectivity, and MYSQL database.

Database connections for connecting MS SQL Server, MS Access, Oracle, and MySQL databases,

SQL Database connection strings

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

MS SQL Server connection strings

SQL ODBC connection strings

Standard Security:

“Driver={SQLServer};Server=Your_Server_Name;Database=Your_Database_Name;Uid=Your_Username;Pwd=Your_Password;”

Trusted connection:

“Driver={SQLServer};Server=Your_Server_Name;Database=Your_Database_Name;Trusted_Connection=yes;”
SQL OLE DB connection strings

Standard Security:

“Provider=SQLOLEDB;Data Source=Your_Server_Name;Initial Catalog= Your_Database_Name;UserId=Your_Username;Password=Your_Password;”

Trusted connection:
“Provider=SQLOLEDB;Data Source=Your_Server_Name;Initial Catalog=Your_Database_Name;Integrated Security=SSPI;”
SQL OleDbConnection .NET strings
Standard Security:
“Provider=SQLOLEDB;Data Source=Your_Server_Name;Initial Catalog= Your_Database_Name;UserId=Your_Username;Password=Your_Password;”

Trusted connection:
“Provider=SQLOLEDB;Data Source=Your_Server_Name;Initial Catalog=Your_Database_Name;Integrated Security=SSPI;”
SQL SqlConnection .NET strings
Standard Security:
1. “Data Source=Your_Server_Name;Initial Catalog= Your_Database_Name;UserId=Your_Username;Password=Your_Password;” < br>2. “Server=Your_Server_Name;Database=Your_Database_Name;UserID=Your_Username;Password=Your_Password;Trusted_Connection=False”

Trusted connection:
1. “Data Source=Your_Server_Name;Initial Catalog=Your_Database_Name;Integrated Security=SSPI;”
2.”Server=Your_Server_Name;Database=Your_Database_Name;Trusted_Connection=True;”

MS Access connection strings

MS Access ODBC connection strings
Standard Security:
“Driver= {MicrosoftAccessDriver(*.mdb)};DBQ=C:\App1\Your_Database_Name.mdb;Uid=Your_Username;Pwd=Your_Password;”

Workgroup:
“Driver={Microsoft Access Driver (*.mdb)}; Dbq=C:\App1\Your_Database_Name.mdb; SystemDB=C:\App1\Your_Database_Name.mdw;”

Exclusive “Driver={Microsoft Access Driver (*.mdb)}; DBQ=C:\App1\Your_Database_Name.mdb; Exclusive=1; Uid=Your_Username; Pwd=Your_Password;”
MS Access OLE DB & OleDbConnection (.NET framework) connection strings
Open connection to Access database:
“Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your_Database_Name.mdb; User Id=admin; Password=”

Open connection to Access database using Workgroup (System database):
“Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your_Database_Name.mdb; Jet OLEDB:System Database=c:\App1\Your_System_Database_Name.mdw”

Open connection to password protected Access database:
“Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your_Database_Name.mdb; Jet OLEDB:Database Password=Your_Password”

Open connection to Access database located on a network share:
“Provider=Microsoft.Jet.OLEDB.4.0; Data Source=\\Server_Name\Share_Name\Share_Path\Your_Database_Name.mdb”

Open connection to Access database located on a remote server:
“Provider=MS Remote; Remote Server=http://Your-Remote-Server-IP; Remote Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\App1\Your_Database_Name.mdb”

MySQL connection strings

MySQL ODBC connection strings
Open connection to local MySQL database using MySQL ODBC 3.51 Driver:
“Provider=MSDASQL; DRIVER={MySQL ODBC 3.51Driver}; SERVER= localhost; DATABASE=Your_MySQL_Database; UID= Your_Username; PASSWORD=Your_Password; OPTION=3”
MySQL OLE DB & OleDbConnection (.NET framework) connection strings
Open connection to MySQL database:
“Provider=MySQLProv;Data Source=Your_MySQL_Database;User Id=Your_Username; Password=Your_Password;”

Oracle connection strings

Oracle ODBC connection strings
Open connection to Oracle database using ODBC:
“Driver= {Microsoft ODBCforOracle};Server=Your_Oracle_Server.world;Uid=Your_Username;Pwd=Your_Password;”
Oracle OLE DB & OleDbConnection (.NET framework) connection strings
Open connection to Oracle database with standard security:
1. “Provider=MSDAORA;Data Source= Your_Oracle_Database;UserId=Your_Username;Password=Your_Password;”
2. “Provider= OraOLEDB.Oracle;Your_Oracle_Database;UserId=Your_Username;Password=Your_Password;”

Open trusted connection to Oracle database:
“Provider= OraOLEDB.Oracle;DataSource=Your_Oracle_Database;OSAuthent=1;”


Useful Links:
SQL Step by Step Tutorial – Full Course for Beginners
SQL Tutorial for Beginners
SQL Syllabus
SQL Queries for Software Testers
SQL Online Quiz
SQL Interview Questions and Answers for Beginners
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