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NEW QUESTION 226
What is a function of a modern data warehouse?
A. supports batch processing only
B. supports real-time and batch processing
C. provides built-in or native online analytical processing
D. stores raw data only
Answer: C
Explanation:
A data warehouse is a centralized repository of integrated data from one or more disparate sources. Data warehouses store current and historical data and are used for reporting and analysis of the data. The purpose of the analytical data store layer is to satisfy queries issued by analytics and reporting tools against the data warehouse.
https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/data-warehousin
NEW QUESTION 227
You have an on-premises Microsoft SQL Server database. You need to migrate the database to the cloud. The solution must meet the following requirements:
– Minimize maintenance effort.
– Support the Database Mail and Service Broker features.
What should you include in the solution?
A. Azure SQL Database single database.
B. An Azure SQL Database elastic pool.
C. Azure SQL Managed instance.
D. SQL Server on Azure virtual machines.
Answer: C
NEW QUESTION 228
Which Azure Blob Storage feature enables you to sync a Blob Storage account to an external cache?
A. the Hot access tier
B. change feed
C. snapshots
D. versioning
Answer: A
NEW QUESTION 229
Which T-SQL statement should be used to instruct a database management system to use an index instead of performing a full table scan?
A. SELECT
B. WHERE
C. JOIN
Answer: A
Explanation:
Table hints override the default behavior of the Query Optimizer for the duration of the data manipulation language (DML) statement by specifying a locking method, one or more indexes, a query-processing operation such as a table scan or index seek, or other options. Table hints are specified in the FROM clause of the DML statement and affect only the table or view referenced in that clause.
https://docs.microsoft.com/en-us/sql/t-sql/queries/hints-transact-sql-table
NEW QUESTION 230
Which Azure Cosmos DB API should you use for a graph database?
A. Table
B. Cassandra
C. Core (SQL)
D. Gremlin
Answer: D
NEW QUESTION 231
In Azure Table storage, each row in a table must be uniquely identified by which two components? (Each correct answer presents part of the solution. Choose two.)
A. a partition key
B. a range
C. a row key
D. a timestamp
Answer: AC
NEW QUESTION 232
In a fully normalized database, how is data read and written for a single entity?
A. Data is read from multiple tables and written to multiple tables.
B. Data is read from a single table and written to a single table.
C. Data is read from a single table and written to multiple tables.
D. Data is read from multiple tables and written to a single table.
Answer: B
NEW QUESTION 233
A bank has a system that manages financial transactions. When transferring money between accounts. the system must never retrieve a value for the source account that reflects the balance before the transfer and a value for the destination account that reflects the balance after the transfer. Of which ACID semantic is this an example?
A. atomicity
B. durability
C. consistency
D. isolation
Answer: A
NEW QUESTION 234
Which Azure Storage service implements the key/value model?
A. Azure Queue
B. Azure Files
C. Azure Table
D. Azure Blob
Answer: C
NEW QUESTION 235
What can be used with native notebook support to query and visualize data by using a web-based interface?
A. Azure Databricks
B. pgAdmin
C. Microsoft Power BI
Answer: A
NEW QUESTION 236
You have data saved in the following format:
Which format was used?
A. YAML
B. CSV
C. JSON
D. HTML
Answer: A
NEW QUESTION 237
HotSpot
Select the answer that correctly completes the sentence.
Answer:
Explanation:
A primary key is a special relational database table column (or combination of columns) designated to uniquely identify each table record (row).
https://www.techopedia.com/definition/5547/primary-key
NEW QUESTION 238
HotSpot
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
Answer:
NEW QUESTION 239
HotSpot
Select the answer that correctly completes the sentence.
Answer:
Explanation:
Azure Synapse Analytics is an platform as a service (PAAS) that combines data integration, warehousing, and analytics into one solution. Azure Synapse Analytics offers cloud-based, relational data warehousing services, massively parallel processing (MPP) scale-out technology, and enough computational power to eficiently manage petabytes and petabytes of data.
Incorrect:
– Azure Database for MariaDB is a relational database service based on the open-source MariaDB Server engine. It’s a fully managed database as a service offering that can handle mission-critical workloads with predictable performance and dynamic scalability.
– Azure SQL Database is a fully managed platform as a service (PaaS) database engine that handles most of the database management functions such as upgrading, patching, backups, and monitoring without user involvement. Azure SQL Database is always running on the latest stable version of the SQL Server database engine and patched OS with 99.99% availability. PaaS capabilities built into Azure SQL Database enable you to focus on the domain-specific database administration and optimization activities that are critical for your business.
https://cswsolutions.com/blog/posts/2021/august/what-is-azure-synapse-analytics/
https://www.integrate.io/blog/what-is-azure-synapse-analytics
NEW QUESTION 240
Drag and Drop
Match the processes to the appropriate scenarios. (To answer, drag the appropriate process from the column on the left to its scenario on the right. Each process may be used once, more than once, or not at all.)
Answer:
NEW QUESTION 241
……
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