2021-11-08
5,059 reads
Sucharita Das
Incremental Data Loading Using ADF and Change Tracking
This article looks at moving data in three related tables to Azure SQL Database using the change tracking feature in SQL Server to determine which rows have been changed.
2021-10-04
7,894 reads
Sending streaming data from Azure IoT Central to Azure SQL Database
Introduction In my last article, Working with Azure IoT Central at SQLServerCentral, I gave an overview of Azure IoT Central. I had connected my mobile phone as a device to Azure IoT Central and collected the telemetry data. In this article, I will export the telemetry data continuously from Azure IoT Central to Azure SQL […]
2021-08-23
3,778 reads
Working with Azure IoT Central
Gathering data from sensors and Internet of Things (IoT) devices is becoming more and more common in many organizations. This introductory article shows how you can get started with IoT Central in Azure.
2021-08-02
1,835 reads
An Introduction to Power BI
Introduction Power BI is a collection of software services, apps, and connectors working together. It helps to connect different data sources and get visually immersive and interactive insights from the data. Power BI creates powerful reports to be shared with others, as required. Data may be connected from different sources including files, databases, Azure services, […]
2021-07-12
8,314 reads
Mapping Data Flows in Azure Data Factory
This article helps to create a data flow in Azure Data Factory, add conditional split logic to the flow, and transfer data from a file to an Azure SQL Database.
2021-07-05 (first published: 2021-06-04)
5,661 reads
Azure Storage: Blob and Data Lake Storage Gen2
Introduction Azure Storage is the service for storing different types of data. A storage account is created first. The storage account provides a unique namespace for different types of Azure storage data accessible from anywhere in the world over HTTP or HTTPS. Data in the Azure storage account is durable and highly available, secure, and […]
2021-06-14 (first published: 2021-05-01)
7,496 reads
An Introduction To Kusto Query Language (KQL)
Introduction In my last article, An Introduction to Azure Data Explorer, I discussed the process of creating and using Azure Data Explorer. Azure Data Explorer is mainly used for storing and running interactive analytics on Big Data. First, I need to create the ADX cluster. Then, one or more databases should be created inside the […]
2021-06-02 (first published: 2021-04-09)
25,550 reads
An Introduction to Azure Data Explorer
Introduction Big data consists of very large datasets, which can be structured, unstructured, and semi-structured. Data may be coming from various data sources in real-time or in batches. The traditional tools and technologies we have used in the past are not capable of processing and storing all this data in an efficient way. We need […]
2021-04-26
4,127 reads
Discussion on Normalization and Database Design Concepts
Introduction Relational database design helps to create a set of relations and tables, which are connected with each other through some defined relationships. The main purpose of relational database design is to preserve the information and minimize data redundancy. We need to follow some design guidelines for relational schemas to maintain the quality of the […]
2021-02-23
5,300 reads
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Question of the Day
Replacing a NULL II
What is returned from this code in SQL Server 2022?
DECLARE @value INT = NULL , @value2 VARCHAR(20) = NULL; SELECT COALESCE (@value, @value2, 100.5) AS Result; GOSee possible answers