You are designing a fact table named FactPurchase in an Azure Synapse Analytics dedicated SQL pool. The table contains purchases from suppliers for a retail store. FactPurchase will contain the following columns.FactPurchase will have 1 million rows of data added daily and will contain three years of data. Transact-SQL queries similar to the following query will be executed daily. SELECT SupplierKey, StockItemKey, COUNT(*) FROM FactPurchase WHERE DateKey >= 20210101 AND DateKey <= 20210131 GROUP By SupplierKey, StockItemKeyWhich table distribution will minimize query times?
Answer(s): B
Hash-distributed tables improve query performance on large fact tables, and are the focus of this article. Round-robin tables are useful for improving loading speed.Incorrect:Not D: Do not use a date column. . All data for the same date lands in the same distribution. If several users are all filtering on the same date, then only 1 of the 60 distributions do all the processing work.
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribute
You are implementing a batch dataset in the Parquet format.Data files will be produced be using Azure Data Factory and stored in Azure Data Lake Storage Gen2. The files will be consumed by an Azure Synapse Analytics serverless SQL pool.You need to minimize storage costs for the solution. What should you do?
Answer(s): A
DRAG DROP (Drag and Drop is not supported)You need to build a solution to ensure that users can query specific files in an Azure Data Lake Storage Gen2 account from an Azure Synapse Analytics serverless SQL pool.Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.NOTE: More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.Select and Place:
Step 1: Create an external data sourceYou can create external tables in Synapse SQL pools via the following steps:1. CREATE EXTERNAL DATA SOURCE to reference an external Azure storage and specify the credential that should be used to access the storage.2. CREATE EXTERNAL FILE FORMAT to describe format of CSV or Parquet files.3. CREATE EXTERNAL TABLE on top of the files placed on the data source with the same file format. Step 2: Create an external file format objectCreating an external file format is a prerequisite for creating an external table. Step 3: Create an external table
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-tables-external-tables
You are designing a data mart for the human resources (HR) department at your company. The data mart will contain employee information and employee transactions.From a source system, you have a flat extract that has the following fields:-EmployeeID -FirstName -LastName -Recipient -GrossAmount -TransactionID -GovernmentID -NetAmountPaid -TransactionDateYou need to design a star schema data model in an Azure Synapse Analytics dedicated SQL pool for the data mart.Which two tables should you create? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
Answer(s): C,E
C: Dimension tables contain attribute data that might change but usually changes infrequently. For example, a customer's name and address are stored in a dimension table and updated only when the customer's profile changes. To minimize the size of a large fact table, the customer's name and address don't need to be in every row of a fact table. Instead, the fact table and the dimension table can share a customer ID. A query can join the two tables to associate a customer's profile and transactions.E: Fact tables contain quantitative data that are commonly generated in a transactional system, and then loaded into the dedicated SQL pool. For example, a retail business generates sales transactions every day, and then loads the data into a dedicated SQL pool fact table for analysis.
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tablesoverview
You are designing a dimension table for a data warehouse. The table will track the value of the dimension attributes over time and preserve the history of the data by adding new rows as the data changes.Which type of slowly changing dimension (SCD) should you use?
Answer(s): C
A Type 2 SCD supports versioning of dimension members. Often the source system doesn't store versions, so the data warehouse load process detects and manages changes in a dimension table. In this case, the dimension table must use a surrogate key to provide a unique reference to a version of the dimension member. It also includes columns that define the date range validity of the version (for example, StartDate and EndDate) and possibly a flag column (for example, IsCurrent) to easily filter by current dimension members. Incorrect Answers:B: A Type 1 SCD always reflects the latest values, and when changes in source data are detected, the dimension table data is overwritten.D: A Type 3 SCD supports storing two versions of a dimension member as separate columns. The table includes a column for the current value of a member plus either the original or previous value of the member. So Type 3 uses additional columns to track one key instance of history, rather than storing additional rows to track each change like in a Type 2 SCD.
https://docs.microsoft.com/en-us/learn/modules/populate-slowly-changing-dimensions-azure-synapseanalytics-pipelines/3-choose-between-dimension-types
Share your comments for Microsoft DP-203 exam with other users:
just passed the az-500 exam this last friday. most of the questions in this exam dumps are in the exam. i bought the full version and noticed some of the questions which were answered wrong in the free version are all corrected in the full version. this site is good but i wish the had it in an interactive version like a test engine simulator.
i can practice for exam
please i need this exam.
i need the dump
i want it bad, even if cs6 maybe retired, i want to learn cs6
i hate comptia with all my heart with their "choose the best" answer format as an argument could be made on every question. they say "the "comptia way", lmao no this right here boys is the comptia way 100%. take it from someone whos failed this exam twice but can configure an entire complex network that these are the questions that are on the test 100% no questions asked. the pbqs are dead on! nice work
very good materials
thanks for your support.
iam impressed with the quality of these dumps. they questions and answers were easy to understand and the xengine app was very helpful to use.
not bad but you question database from isaca
awesome contents
answer to 134 is casb. while data loss prevention is the goal, in order to implement dlp in cloud applications you need to deploy a casb.
are these brain dumps sufficient enough to go write exam after practicing them? or does one need more material this wont be enough?
i did attend the required cources and i need to be sure that i am ready to take the exam, i would ask you please to share the questions, to be sure that i am fit to proceed with taking the exam.
why only give explanations on some, and not all questions and their respective answers?
refresh db knowledge
interested for sap certification
could you please upload practice questions for scr exam ?
please upload free oracle cloud infrastructure 2023 foundations associate exam braindumps
sweating! they are tricky
i never use these dumps sites but i had to do it for this exam as it is impossible to pass without using these question dumps.
good practice and well sites.
passed my first exam last week and pass the second exam this morning. thank you sir for all the help and these brian dumps.
does anyone who attended exam csa 8.8, can confirm these questions are really coming ? or these are just for practicing?
kindly share the dumps
very nice content
passed today
hi can you please upload questions
please upload quetions
i passed my exam thanks to this braindumps questions. these questions are valid in us and i highly recommend it!
are they truely latest
questions appear contemporary.
good to prepare in this site
very helpful to crack first attempt