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Apache Hbase Icon HBase ODBC Driver

The HBase ODBC Driver is a powerful tool that allows you to connect with Apache HBase columnar databases, directly from any applications that support ODBC connectivity.

Access HBase like you would a relational database - read, write, and update through a standard ODBC Driver interface.

Import Real-Time HBase Data in ColdFusion to Build Applications



Use the CData ODBC Driver for HBase to import and use HBase data in ColdFusion.

Adobe ColdFusion is a web and mobile application development platform. It uses its own scripting language, ColdFusion Markup Language (CFML), to create data-driven websites as well as generate remote services, such as REST. When ColdFusion is paired with the CData ODBC Driver for HBase, you can link your ColdFusion web and mobile applications to operational HBase data. This allows for your applications to be more robust and complete. This article details how to use the ODBC driver to create a table populated with HBase data from within a ColdFusion markup file.

To follow along with this tutorial, you need to install the CData ODBC Driver for HBase and Adobe ColdFusion.

Configuring the Connection

If you have not already, first specify connection properties in an ODBC DSN (Data Source Name). This is the last step of the driver installation process. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

Set the Port and Server to connect to Apache HBase.

Adding a Data Source and Creating a Table

After creating a DSN, follow the steps below to add a new data source, test our connection to it, create a ColdFusion markup file, and, finally, import HBase HBase data and display it in a table in ColdFusion:

  1. From the ColdFusion administrator interface, choose Data & Services.
  2. Here, click "Add New Data Source". The data source name can be any name, provided it conforms to the ColdFusion variable naming conventions. For our ODBC driver, choose "ODBC Socket", then click the "Add" button.
  3. From the ODBC DSN Dropdown menu select CData HBase Sys. Under the Advanced Settings section, leave the Connection String blank. Note that any properties specified in this input field will override the ones specified in the DSN Configuration.
  4. Now, test the connection by pressing the check mark to the left of the CDataHBaseODBC data source you just created. When the data source reports an "OK" status, it is ready for use.
  5. Next, create a new ColdFusion Markup file (.cfm) and place it in the wwwroot directory ("C:\ColdFusion2021\cfusion\wwwroot") for ColdFusion.

    The following code queries the data source:

                
            <cfquery name="HBaseQuery" dataSource="CDataHBaseODBC"> 
              SELECT * FROM Customers 
            </cfquery> 
        
    And a CFTable can be used to quickly output the table in HTML:
                
              <cftable  
              query = "HBaseQuery" 
              border = "1" 
              colHeaders 
              colSpacing = "2" 
              headerLines = "2" 
              HTMLTable 
              maxRows = "500" 
              startRow = "1"> 
    
              <cfcol header="<b>CustomerName</b>" align="Left" width=2 text="CustomerName"/> 
    
              <cfcol header="<b>Price</b>" align="Left" width=15 text="Price"/> 
    
              ...
    
            </cftable> 
        
    Full code, including the HTML portion is available below:
                
            <html> 
            <head><title>CData Software | HBase Customers Table Demo </title></head> 
            <body> 
            <cfoutput>#ucase("HBase Customers Table Demo")#</cfoutput> 
            <cfquery name="HBaseQuery" dataSource="CDataHBaseODBC"> 
    
              SELECT * FROM Customers 
    
            </cfquery> 
            <cftable  
              query = "HBaseQuery" 
              border = "1" 
              colHeaders 
              colSpacing = "2" 
              headerLines = "2" 
              HTMLTable 
              maxRows = "500" 
              startRow = "1"> 
              <cfcol header="<b>CustomerName</b>" align="Left" width=2 text="CustomerName"/> 
    
              <cfcol header="<b>Price</b>" align="Left" width=15 text="Price"/> 
    
              ...
    
            </cftable> 
            </body> 
    
            </html>  
        
  6. Finally, run the code in a browser. It produces a table populated with HBase data!

As a note, the CData ODBC Drivers also support parameterized queries using the cfqueryparam element. For example: SELECT * FROM Account WHERE name =

Get Started Today

Download a free, 30-day trial of the CData ODBC Driver for HBase and start building HBase-connected applications with Adobe ColdFusion. Reach out to our Support Team if you have any questions.