Microsoft Clustering is the next data mining topic we will be discussing in our SQL Server Data mining techniques series. Until now, we have discussed a few data mining techniques like: Naïve Bayes, Decision Trees, Time Series, and Association Rules.
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This article talks about Azure Data Catalog and how data professionals can use it to locate, understand and consume data sources.
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This article explains the process of defining custom color codes for SQL Server connections in SSMS.
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AzCopy is a command-line tool that is used to upload and download blobs/files from or to the Azure Blob Storage. In this article, I am going to explain how we can use it to create a new container on Azure blob storage and upload the data from the local machine to the Azure blob storage.
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In this article, we will explore various ways for scripting SQL Server database objects.
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What are SQL data types, why do we need them, and how to use them? Today, we’ll try to answer these questions by giving an overview of some most common data types used in SQL Server.
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The Data Flow Task is an essential component in SQL Server Integration Services (SSIS) as it provides SSIS ETL developers with an ability to conveniently extract data from various data sources; perform basic, fuzzy to advance data transformations; and migrate data into all kinds of data repository systems. Yet, with all its popularity and convenience, there are instances whereby the Data Flow Task is simply not good enough and recently, I got to experience such inefficiencies. To demonstrate some of the limitations of SSIS’s Data Flow Task, I have put together a random list of Premier League’s leading goal scorers for the 2019-2020 season.
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In this article, we will seek an answer to an important question – “What is a foreign key in SQL Server?”. At the same time, we will give some seconder answers to this question. In this way, we can understand the foreign key concept more clearly.
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This article explains one of the important data protection features in Azure Blob Storage – Soft Delete, which helps to recover data that is accidentally deleted in blobs or blob snapshots.
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SQL Server configuration manager is a tool provided by Microsoft SQL Server. When we install SQL Server, it is installed automatically. It is used for the following purposes.
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This is in continuation of the previous articles How to monitor internal data structures of SQL Server In-Memory database objects and SQL Server In-Memory database internal memory structure monitoring.
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There are many operations that we may run while working with OLAP cubes such as cube and partitions processing, executing administrative tasks, performing analysis and more… Three query languages that are used to run these operations: multidimensional expressions (MDX), data mining expressions (DMX) and XML for Analysis (XMLA). We can mainly write and execute these queries in SQL Server Management Studio, but many times we need to implement them within a flow that executes other tasks over other services (database engine, file system…)
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SQL AS keyword is used to give an alias to table or column names in the queries. In this way, we can increase the readability and understandability of the query and column headings in the result set.
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The best way how to explain what the INFORMATION_SCHEMA database is would be – “This is the database about databases. It’s used to store details of other databases on the server”. What does that mean, how we can use it, and what we can do with this data is the topic of today’s article.
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This article demonstrates different methods to attach SQL Server MDF files. First, let me explain about the database files.
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This article gives you an overview of BACPAC package and its usage in SQL Database data refresh (data import and export) using SQL Server management studio.
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An Online Analytical Process (OLAP) cubes are used as an analytical tool. An OLAP Cube is a multi-dimensional database that is optimized for reporting purposes.
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While working with raw data, you may frequently face date values stored as text. Converting these values to a date data type is very important since dates may be more valuable during analysis. In SQL Server, converting a string to date can be achieved in different approaches.
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XQuery in the SQL Server helps to query and extract data from XML documents. XQuery gives different approaches to get information from the XML document and the equivalent can be used on applying a data filter or where clause on XML elements as well.
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Power BI Desktop provides many useful visualizations with simple configurations. You can represent data visually in different forms that help users and management in data interpretation. You can explore a broad category of Power BI articles here on SQLShack.
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In this article, we will uncover the basics of the Azure SQL Database.
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In this article, I am going to explain the PowerShell script to split a string into an array. Before I explain it, let me just give you a small introduction of the PowerShell and the PowerShell array.
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Delete operations over SQL XML should be possible with either erasing the XML document with the XML data type column or delete XML tag or attribute in the XML document using XQuery. The utilization of the XML data type with XQuery is tricky and significant in SQL Server.
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In my career, I’ve heard many times, things like “How to write a complex SELECT query?”, “Where to start from?” or “This query looks so complex. How you’ve learned to write such complex queries?”. While I would like to think of myself as of a brilliant mind or genius or add something like “query magician” to my social network profiles, well, writing complex SQL wouldn’t be the only thing required to do that. Therefore, in this article, I’ll try to cover the “magic” behind writing complex SELECT statements.
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In this article, I am going to explain how we can send an email from SQL Server express edition using a CLR stored procedure. First, let me explain about the CLR stored procedures.
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