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SQL Database Reference Guide

Details: What is a SQL Database? A SQL database is a logical container to hold a collection of data and code. It is stored in a computer and most of the time it is managed by a RDBMS (Relational Database Management System). To interact with the data and the code we typically use SQL (Structured Query Language) to manage the data, objects, security, and ms sql tutorial

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Working with SQL Server Data in Power Apps

Details: A bit further in the code block is the Patch function. The first argument is the name of the data source, namely our SQL table name. Reminder: table names from SQL cannot be renamed in Power Apps, so take care to name them by also accounting for the app context. Next, we call the Defaults function. mssqltips sql

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SQL CAST Function for Data Type Conversions

Details: The short answer: The SQL CAST function is used to explicitly convert a given data type to a different data type in a SQL database. Although, there are some restrictions. The long answer: CAST is an ANSI SQL standard that came about with SQL-92, meaning that it is portable across different Database Management Systems (DBMS) and will work the what version is mssql12

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SQL Query Examples

Details: SQL SELECT Examples. The select statement is the most basic and simple SQL to query data. Here is the basic syntax: SELECT column1, column2 FROM schema.table. The following example will query the information from the Person.Person table from the Adventurework2019 database. SELECT [BusinessEntityID], [PersonType], [NameStyle] FROM … mssqltips dba

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Import Data from Excel to Azure SQL Database using …

Details: In the following section, we'll create a pipeline to load multiple Excel sheets from a single spreadsheet file into a single Azure SQL Table. Within the ADF pane, we can next create a new pipeline and then add a ForEach loop activity to the pipeline canvas. Next, click on the white space of the canvas within the pipeline to add a new Array sql tutorial for beginners

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Azure Data Factory Data Flows

Details: A data flow in ADF allows you to pull data into the ADF runtime, manipulating it on-the-fly and then writing it back to a destination. Data flows in ADF are similar to the concept of data flows in SSIS, but more scalable and flexible. There are two types of data flows: Data flow - This is the regular data flow, previously called the mapping sql tips and tricks

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Power Apps to read and write data to a SQL Server database in …

Details: For example, I use SQL Server Authentication, so I must know my SQL server name, database name, username and password. Caution: this setup is not supported via an on-prem data gateway, as mentioned. This means that if you want to execute a SQL query on a SQL Server on-prem or on Azure SQL that is behind a private endpoint, you will not be able to until … mssqltips azure

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Table Valued Function in SQL Server Examples

Details: DataAccessKind.Read: The function will read data using the context connection. IsDeterministic Indicates if the function is deterministic. A function is said to be deterministic if it produces the same result value, given the same input values and the same database state. Only set this value to true if you are 100% sure that the function is

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Download and Install SQL Server 2016 Sample Databases

Details: Data Generation in the WideworldImporters SQL Server Database. One of the good features of the WideWorldImporters and WideWorldImportersDW databases is that data can be generated to the latest date. Currently Microsoft has provided data from January 2013 to May 2013, but if we want to generate data to the current date it is possible with the

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How to Shrink SQL Server Database Files

Details: Option 1 - Using the GUI interface in SQL Server Management Studio. In the left pane where your databases are listed, right-click on the "SampleDataBase" and from the "Tasks" option select "Shrink" then "Files", as in the image below. On the next dialog box, make sure the File type is set to "Data" to shrink the mdf file.

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Learn how to convert data with SQL CAST and SQL CONVERT

Details: Solution. The T-SQL language offers two functions to convert data from one data type to a target data type: CAST and CONVERT.In many ways, they both do the exact same thing in a SELECT statement or stored procedure, but the SQL Server CONVERT function has an extra parameter to express style.

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Power BI Dataset Management with PowerShell

Details: Real time data can be captured by either streaming or push datasets. While the streaming dataset can handle more data per day, the actual data disappears from the temporary cache in a timely manner. Also, this cache does not have the ability to be manipulated and used in the Power BI Service like a normal dataset.

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Validating and Enriching SQL Server data with Unison

Details: Data has a great value when it is clean, however many datasets are plagued with invalid, inaccurate, and duplicate records. With Unison by Melissa, tackling these issues in Microsoft SQL Server environments is a breeze! SQL Server DBAs, Data Stewards or Business Users can easily Validate, Enrich, and Dedupe new and existing datasets without

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SQL Concatenate Examples

Details: Because of data types precedence, the strings are being converted to integers, which of course fails. When using the plus sign, it's meaning depends on the data types used (this is called an overloaded operator). When using strings, it concatenates values. When using integers, it adds them together (and the same goes for dates).

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Factless Fact Tables in a SQL Server Data Warehouse

Details: A Factless table can help your business to understand "missing factors" often overlooked or not considered. The simplest example that I can think of is related to product sales. Now, a data warehouse is smart enough to show the business the total sales per year, per month or per week. However, what about the products that were not sold but were

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CREATE TABLE SQL Server Syntax Examples

Details: Importing Data. Importing data into a table is most often done via "import/export" wizards or by using SSIS. This allows you to import data from Excel or csv files. You can also utilize other options such as, bulk insert, open row set, etc. Here is a great article on importing data in SQL Server: Different Options for Importing Data into SQL Server

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Build a Secure SQL Server REST API in Minutes

Details: However, data (pending orders, purchases, inventory, shipments, employee scheduling, etc.) from each retail branch are critical to understand trends, customer demand, promotional performance and more. This valuable data in SQL Server Express (as a free product) has limited options for data sharing. This is another distributed environment common

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Calculating Mathematical Values in SQL Server

Details: Calculations on Values. As a starting point, values themselves can have mathematical operations performed on them. So in the code below we are performing addition (+), subtraction (-), multiplication (*), division (/) and a combination of operations. In these examples, both positive and negative whole numbers and decimals are used.

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Download Data from an HTML Table to an SQL Server Database …

Details: 3 – The Complete Code. We write a Python program to scrape the HTML table and store data into the SQL Server database table. The program uses the Python Requests library to retrieve the HTML content on the web page. We then use the Beautiful Soup library to parse the web content and search for the HTML table elements.

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Compare Time Series Datasets with T-SQL Code

Details: The data from a data supplier should provide multiple time series observations (e.g., open and close prices) for multiple ticker symbols (e.g., SPY and QQQ). Describe an approach for detecting and handling bad data. After data are loaded into SQL Server from each data supplier, illustrate how to apply the coefficient of determination for

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Execute SQL Queries from Microsoft Power Apps

Details: The data tab on the left in the Power Apps studio allows you to add data by choosing a connector. Here we need the SQL connector with a connection to AdventureWorks2019. I have preconfigured the connection, so it appears in the list. You can also configure a new one by clicking on Add a connection. For on-premises resource a data

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Getting Started with Microsoft Dataverse

Details: What is Dataverse. Initially called Common Data Service (CDS), Dataverse aims to provide a common data layer between the Microsoft Dynamics 365 CRM offering and the Power Platform. Essentially, Dataverse is the functional implementation of the Common Data Model (CDM). As such, it provides a common backend with a set of standardized and

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Power BI Datasets

Details: On-premises data sources. In this case, the Power BI service needs a gateway to connect to the data. The gateway is responsible for the connection between the data source and the PBI service. Keep in mind some cloud sources may still need a gateway, such as for example a data source inside an Azure Virtual Machine, but also some data sources

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Different Ways to Export Azure SQL Database

Details: In order to perform an export of data from an Azure SQL DB, you may try running this on the command prompt. Make sure to update the parameters. --Make sure to update the parameters correctly bcp AzureSQLDBName.dbo.TableName out C:\CorrectPath\TableExported.dat -c -U username -S Azure.database.windows.net.

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Best practices for working with read only databases in SQL Server

Details: The following script would set AdventureWorks to READ ONLY state. -- Script 2: Set AdventureWorks to READ ONLY status -- Set DB to READ ONLY status through ALTER DATABASE ALTER DATABASE AdventureWorks SET READ_ONLY GO. The same task may be performed through SSMS. Right click on the database and go to properties.

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Azure Databricks Access Controls and Row Level Security

Details: Azure Databricks Workspace provides an interactive workspace that enables collaboration between data engineers, data scientists, machine learning engineers, data analysts and more. Since these various groups require varying levels of security, permissions and privileges, Databricks has a number of Access Controls and Row Level Security options

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Incrementally Refresh Data in Power BI with Power Query for …

Details: STEP 3: Create a function to convert date/time values in the above parameters to match integer surrogate keys of the data source tables. While still inside the Power Query Editor, you need to click on "New Source", then select "Blank Query" as seen in the diagram below. On the new query that results, change the name from "Query 1" to an

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Auto Loader cloudFiles with Databricks End to End Example

Details: Auto Loader within Databricks runtime versions of 7.2 and above is a designed for event driven structure streaming ELT patterns and is constantly evolving and improving with each new runtime release. With the release of Databricks runtime version 8.2, Auto Loader's cloudFile source now supports advanced schema evolution.

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SQL Server Staging Table vs Temp Table

Details: Data from an external source, such as a daily data feed or a legacy application scheduled for migration to a new application, can be copied to a permanent table or a suite of staging tables. In this way, the data from the external source can be processed before its transfer to another permanent table that is part of a database supporting an

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Azure Databricks Local File System Management

Details: Databricks File System. You can work with files on DBFS or on the local driver node of the cluster. You can access the file system using magic commands such as %fs (files system) or %sh (command shell). Listed below are four different ways to manage files and folders. The top left cell uses the %fs or file system command.

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Slowly Changing Dimensions on Lakehouse with Synapse …

Details: The starting data flow design. I'm going to use the data flow we built in the Implement Surrogate Keys Using Lakehouse and Synapse Mapping Data Flow tip. This flow contains the dimension denormalization and surrogate key generation logic for the Product table and looks like this so far: Figure 1. Although this data flow brings data into the

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Time Series Forecasting Methods with R Examples

Details: We use data from Academy’s tutorial (Academy, 2013) to show the way of using the seasonal naïve method. We present the data in Table 3. The time series plot shown in Figure 10 demonstrates the high seasonality and an upward trend as well. Other forecasting methods, for example, the method presented in Academy’s lecture (Academy, 2013), may

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RecordSet Destination in SSIS

Details: To use the RecordSet destination, we need to import data from a SSIS data source. In this tip, we will use the [AdventureWorks] sample database to fetch the records. Download the sample database here. This query gets 5 records from the view [vSalesPerson] from the [AdventureWorks] database in a descending order based on the [SalesYTD] values.

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Azure Synapse Analytics Real-Time and Advanced Analytics

Details: Azure Data Explorer has also been integrated into Synapse Analytics to support the querying and analytics of log and telemetry data. Structured Streaming and Change Data Capture use cases are also supported within Synapse Analytics. From an advanced analytics perspective, Synapse ML supports the development of production grade ML Models.

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What is Azure Databricks

Details: In Microsoft Azure, Databricks is a first party service that can be created through the Azure portal like other Azure services, and all billing / management is through Azure. This also means it integrates natively with Azure, including out of the box Azure Active Directory integration, and integration with most of Azure's data tools.

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Azure Databricks Cluster Configuration

Details: Azure Databricks is a Unified Data Analytics Platform built on the cloud to support all data personas in your organization: Data Engineers, Data Scientists, Data Analysts, and more. A core component of Azure Databricks is the managed Spark cluster, which is the compute used for data processing on the Databricks platform. Though creating basic

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SSRS Interactive Sorting and Charts

Details: To dynamically change the sort order of data in the charts and table, we add interactive sort buttons to the report [6]. Figure 1 The SSRS Report with Charts and Tables. After we add interactive sort buttons to the column headers and view the report, arrow icons appear beside these header titles. The report always sorts data in ascending order

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