automation

SQLServerCentral Article

Easily Integrate with Any RESTful API Using the CData API Driver

  • Article

The evolution of APIs has opened up exciting opportunities for businesses. RESTful APIs are a consistent, straightforward way that enables businesses to work with external data and offer access to their own data. In May 2021, the number of public APIs grew beyond 24,000, with about 2,000 APIs added just since 2019.  APIs continue to be beneficial to businesses and developers, and with the CData API Driver, it […]

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2021-11-15

1,296 reads

SQLServerCentral Article

SQL Access to Redis Data

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Traditionally, importing key-value data stores such as Redis into BI, reporting, and ETL tools is problematic, if not impossible. With the CData Drivers, there are several different ways to building a traditional database model to easily work with Redis data in the BI, reporting, ETL, and custom applications of your choice. In this article, we discuss […]

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2021-11-12

1,793 reads

SQLServerCentral Article

Perform API Operations Using Stored Procedures in CData SSIS Components

  • Article

APIs require up-to-date and strong documentation, increased security levels, comprehensive testing, routine versioning, and high-reliability to be appropriately utilized. With the CData SSIS Data Flow components you can import and export data from various data sources. However, in some cases the type of operation you need does not fit the SSIS Source or the SSIS Destination model. The […]

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2021-11-08

936 reads

SQLServerCentral Article

CData AWS Glue Connector for Salesforce Deployment Guide

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AWS Glue is an ETL service from Amazon that enables you to prepare and load your data for storage and analytics. With Glue Studio, you can create no-code and low-code ETL jobs that work with data through CData Glue Connectors. In this article, we walk through configuring the CData Glue Connector for Salesforce and creating and […]

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2021-11-05

402 reads

SQLServerCentral Article

Configure the CData Cloud Add-On for Google Sheets

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With Google Sheets you can create branded reports with data visualizations to share with your clients. Combined with CData Cloud, Google Sheets give you cloud-to-cloud access to data from the supported SaaS, Big Data and NoSQL sources for visualizations, dashboards, and more. In this article we explain how to use the CData Cloud Add-On to […]

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2021-11-01

670 reads

SQLServerCentral Article

Connecting to Amazon DocumentDB with MongoDB Drivers

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With Amazon DocumentDB developers and DBAs can balance availability, read scalability, and latency with five pre-configured consistency levels. The data in an Amazon DocumentDB cluster is accessible just like a MongoDB 3.6 cluster. The CData Software Drivers for MongoDB provide a SQL-like interface to MongoDB data through standards-based drivers. This allows users to see their data in the […]

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2021-10-27

513 reads

SQLServerCentral Article

CData Connect: Derived Views and Query Federation

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Big data plays a key role in promoting both manufacturing and scientific development through industrial digitization and emerging research. Integrating big data demands scalable tools for enabling not only big data ingestion and curation but also efficient large-scale exploration and discovery. There is a solution to scale up to large volumes of data distributed across multiple […]

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2021-10-22

296 reads

SQLServerCentral Article

Connect to PostgreSQL as an External Data Source using PolyBase

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PolyBase is a new feature of SQL Server that allows you to connect to relational and non-relational data. You can run queries on any external data sources you might have, such as Oracle, PostgreSQL, Salesforce, MongoDB, Hadoop, etc. When paired with the CData ODBC Driver for PostgreSQL, you get access to your PostgreSQL data directly […]

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2021-10-18

2,634 reads

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The Empty Aggregate

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Question of the Day

The Empty Aggregate

I have this table in a SQL Server 2025 database: 

CREATE TABLE [dbo].[CustomerOrder]
(
[OrderID] [int] NULL,
[CustomerID] [int] NULL,
[total] [money] NULL
) ON [PRIMARY]
GO
What is returned from this code? (answers are for the sum and then the count) 
SELECT SUM(total) AS sum,
       COUNT(total) AS count
FROM dbo.CustomerOrder;

See possible answers