Introduction
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Introduction

Azure Blob JSON ODBC driver can read data from Azure Blob Local Server files or Server Storage File, using familiar SQL language. Driver allows to query nested structure and output as flat table.

Content

Video Tutorial

Note : We are working on dedicated videos for this driver. Meanwhile please refer to below video which is for JSON driver but concents / UI pretty much same.

Step-By-Step

After you install ZappySys ODBC Drivers you can use Driver functionality few ways (see below).
  1. Using ODBC DSN (User level DSN or System level DSN)
  2. Using Direct ODBC Connection String
  3. Connect client app/server from Windows, Linux, Mac OS to ZappySys Data Gateway using Microsoft SQL Server Driver (i.e. JDBC, ODBC, OLEDB ...)
Regardless which method you choose from your App below steps will help you to configure your connectivity in correct way.
If you choose to connect using direct ConnectionString then also try below Steps to create correct ConnectionString which you can copy from DSN Config Tool and paste inside your App / Programming Language Code.

Using ODBC DSN (User level DSN or System level DSN)

Configure DSN

In this section you will learn how to Configure ODBC DSN. Later on this DSN can be used to use ZappySys Driver. ODBC DSN can be stored at Machine Level (for all users) or Current User Level. In this case we are going to load data into Microsoft Excel from Azure Blob Storage JSON(In this case its from Zip) file using ZappySys Azure Blob JSON ODBC Driver.
  1. Firstly, you need following Prerequisite.
  2. Type odbcad32.exe in your search box and launch the DSN Config utility.
  3. If you want access for yourself then stay of User DSN Tab. If you want grant access other users then go to System DSN tab. For SQL Server Integration go to System Tab and add new System DSN rather than User DSN. Click New button.
    ZappySys ODBC Driver - Open UI
  4. From the Driver list Select ZappySys ODBC Driver. For this example select [ZappySys Azure Blob JSON Driver].
    ZappySys ODBC Driver - Create Azure Blob JSON Driver
  5. Now, we need Azure Blob Storage Connection. Lets create it.
    ODBC Azure Blob Driver - Create Connection
  6. Now, When you see DSN Config Editor with zappysys logo first thing you need to do is change default DSN Name at the top and Select your Blob and file from it.
    ODBC Azure Blob Driver - Select File
  7. Here, in the Compression (Zip/GZip) tab set suitable file format.
    ZappySys ODBC Driver - Configure Azure Blob JSON Driver
  8. If you are using Direct ConnectionString method in other tool/code then just Click [Copy ConnectionString] button and hit cancel so we don't create DSN.
  9. If you are using DSN method then Click OK to save our DSN Configuration.
  10. Lets configure in Various Mode.
    1. --- Using Direct Query ---

      Click on Preview Tab, Select Table from Tables Dropdown and select [value] and click Preview.
      ZappySys ODBC Driver - Preview Data
    2. --- Using Stored Procedure ---

      Note : For this you have to Save ODBC Driver configuration and then again reopen to configure same driver. For more information click here.
      
      Click on the Custom Objects Tab, Click on Add button and select Add Procedure and Enter an appropriate name and Click on OK button to create.
      ZappySys ODBC Driver - Custom Objects
      1. --- Without Parameters ---

        Now Stored Procedure can be created with or without parameters (see example below). If you use parameters then Set default value otherwise it may fail to compilation)
        ZappySys ODBC Driver : Without Parameters
      2. --- With Parameters ---

        Note : Here you can use Placeholder with Paramters in Stored Procedure.
        Example : SELECT * FROM $ WHERE OrderID = '<@OrderID, FUN_TRIM>' or CustId = '<@CustId>' and Total >= '<@Total>'
        
        ZappySys ODBC Driver : With Parameters
    3. --- Using Virtual Table ---

      Note : For this you have to Save ODBC Driver configuration and then again reopen to configure same driver. For more information click here.
      

      ZappySys APi Drivers support flexible Query language so you can override Default Properties you configured on Data Source such as URL, Body. This way you don't have to create multiple Data Sources if you like to read data from multiple EndPoints. However not every application support supplying custom SQL to driver so you can only select Table from list returned from driver.

      Many applications like MS Access, Informatica Designer wont give you option to specify custom SQL when you import Objects. In such case Virtual Table is very useful. You can create many Virtual Tables on the same Data Source (e.g. If you have 50 Blobs with slight variations you can create virtual tables with just URL as Parameter setting).

      vt__Customers
      DataPath=myBlob_1/customers.json
      
      vt__Orders
      DataPath=myBlob_2/orders.json
      
      vt__Products
      DataPath=myBlob_3/products.json
      
      1. Click on the Custom Objects Tab, Click on Add button and select Add Table and Enter an appropriate name and Click on OK button to create.
        ZappySys ODBC Driver - Custom Objects
      2. Once you see Query Builder Window on screen Configure it.
        ZappySys ODBC Driver - Custom Objects : Virtual Table Query Builder
      3. Click on Preview Tab, Select Virtual Table(prefix with vt__) from Tables Dropdown or write SQL query with Virtual Table name and click Preview.
        ZappySys ODBC Driver - Custom Objects : Virtual Table Query Execute
  11. Now, lets load data into Excel Sheet Using ODBC DSN.
  12. Open Microsoft Excel, In the Data Menu, select New Query, select From Other Sources and select From ODBC.
    ZappySys Azure Blob JSON ODBC Driver : Load Data Into MS-Excel - Select ODBC Source
  13. Now, select DSN we have created, you can write SQL Statement if you want, otherwise leave it blank for through select Table.
    ZappySys Azure Blob JSON ODBC Driver : Load Data Into MS-Excel - Select DSN
  14. Click on OK button.
  15. Now, in the Windows Tab, select an appropriate credentials and click on Connect button.
    ZappySys ODBC Driver - Create Credentials
  16. Now, Select Table you want to load data into Microsoft Excel.
    ZappySys Azure Blob JSON ODBC Driver : Load Data Into MS-Excel - Select Table
  17. Select New Worksheet for the data should be loaded.
    ZappySys Azure Blob JSON ODBC Driver : Load Data Into MS-Excel - Select Table
  18. Click on Load button to load data.
  19. You can verify your data.
    ZappySys Azure Blob JSON ODBC Driver : Load Data Into MS-Excel - Success

Access Driver inside SQL Server (T-SQL Code)

Click here for steps to create, Loading data inside SQL Server (T-SQL).

Access Driver inside Other Tools / Programming Languages

Click here for App Integration (ETL, Reporting, Analytics).

Click here Programming Languages.

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