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I have 2 tables in sql server 2005. <br />
Table A has a field 'main_code' and table B has two fields 'main_code' and 'barcode'. The tables have a relationship on the 'main_code' fields.<br />
I need to construct a view that for each record in B will display the 'barcode' field. In case there is no record from table A associated to table B (in other words the product has no barcode) I want to display the 'main_code' field.
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I have 2 tables in sql server 2005. 
Table A has a field 'main_code' and table B has two fields 'main_code' and 'barcode'. The tables have a relationship on the 'main_code' fields.
I need to construct a view that for each record in B will display the 'barcode' field. In case there is no record from table A associated to table B (in other words the product has no barcode) I want to display the 'main_code' field.

SQL Server Construct a view

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.