Access Live Presto Data in Excel 365 Online (Excel for the web)

Microsoft Excel for the web represents a cloud-native iteration of Microsoft Excel. When integrated with CData Connect Cloud, you gain immediate access to Presto data directly from within Excel. This access facilitates data analysis, collaborative work, calculations, and more. This article provides a step-by-step guide on connecting to Presto within your Connect Cloud instance and accessing live Presto data in Excel for the web spreadsheets, whether for viewing or updating purposes.

CData Connect Cloud provides a pure cloud-to-cloud interface for Presto, allowing you to easily access live Presto data in Excel for the web. Simply use the Connect Cloud Add-In to query live data (or write your own). Using optimized data processing out of the box, CData Connect Cloud pushes all supported query operations (filters, JOINs, etc) directly to Presto, leveraging server-side processing to quickly return Presto data.

Configure Presto Connectivity for Excel

Connectivity to Presto from Excel is made possible through CData Connect Cloud. To work with Presto data from Excel, we start by creating and configuring a Presto connection.

1. Log into Connect Cloud, click Connections and click Add Connection
2. Select "Presto" from the Add Connection panel
3. Enter the necessary authentication properties to connect to Presto.

   Set the Server and Port connection properties to connect, in addition to any authentication properties that may be required.

   To enable TLS/SSL, set UseSSL to true.

   Authenticating with LDAP

   In order to authenticate with LDAP, set the following connection properties:

   • AuthScheme: Set this to LDAP.
   • User: The username being authenticated with in LDAP.
   • Password: The password associated with the User you are authenticating against LDAP with.

   Authenticating with Kerberos

   In order to authenticate with KERBEROS, set the following connection properties:

   • AuthScheme: Set this to KERBEROS.
   • KerberosKDC: The Kerberos Key Distribution Center (KDC) service used to authenticate the user.
   • KerberosRealm: The Kerberos Realm used to authenticate the user with.
   • KerberosSPN: The Service Principal Name for the Kerberos Domain Controller.
   • KerberosKeytabFile: The Keytab file containing your pairs of Kerberos principals and encrypted keys.
   • User: The user who is authenticating to Kerberos.
   • Password: The password used to authenticate to Kerberos.
4. Click Create & Test
5. Navigate to the Permissions tab in the Add Presto Connection page and update the User-based permissions.

With the connection configured, you are ready to connect to Presto data from Excel for the web.

Access Live Presto Data in Excel for the web

The steps below outline connecting to CData Connect Cloud from Excel to access live Presto data.

1. Log into Excel, create a new sheet (or open an existing one).
2. Click Insert and click Office Add-ins. (if you have already installed the Add-In, jump to step 4).
3. Search for CData Connect Cloud Add-In and install the Add-in.
4. Click Data and open the CData Connect Cloud Add-In.
5. In the Add-In panel, click Authorize to authenticate with your CData Connect Cloud instance
6. In the CData Connect Cloud panel in Excel, click Import
7. Choose a Connection (e.g. Presto1), Table (e.g. Customer), and Columns to import
8. Optionally add Filters, Sorting, and a Limit
9. Click Execute to import the data

Update Presto Data from Excel

In addition to viewing Presto data in Excel, CData Connect Cloud also lets you update and delete Presto data. Begin by importing data (as described above).

1. Update any cell or cells with changes you want to push to Presto (your changes will be in red)
2. In the CData Connect Cloud Add-In panel, select Update
3. Optionally highlight the cell(s) you wish to update and select an update option ("Update All" or "Update Selected")
4. Click Execute to push the updates to Presto

A notification will appear when the update is complete

Live Access to Presto Data from Cloud Applications

New, you have a direct, cloud-to-cloud connection to live Presto data from your Excel workbook. You can add more data to your workbook for calculations, aggregations, collaboration, and more.

Try CData Connect Cloud and get real-time data access to 100+ SaaS, Big Data, and NoSQL sources directly from your cloud applications.