Joins in databases are used to query data from two or more than two tables, based on relationship between certain columns in these tables. Database tables are related to each other with keys and this key is known as ‘Primary Key‘. A ‘Primary Key‘ is a column (or a combination of columns) with a unique [...]
This tutorial helps you to attach database in SQL Server through Microsoft SQL Server Management Studio Express. Follow given below easy steps to attach your database in SQL Server. Step 1: Open Start -> Program Files -> Microsoft SQL Server -> SQL Server Management Studio Express Step 2: Write Localhost\SqlExpress in ‘Server Name’ ComboBox if [...]
When creating a connection, you must specify several of pieces of required information. You should give type of authentication or user to authenticate, the location of database server, and the name of the database. OLEDB connection strings specify an OLEDB provider, and ODBC connection strings specify ODBC driver. So specify this information we use ConnectionString [...]
