DP-203 Exam Dumps

Scenario: Allow Contoso users to use PolyBase in an Azure Synapse Analytics dedicated SQL pool to query the content of the data records that host the Twitter feeds. Data must be protected by using row-level security (RLS). The users must be authenticated by using their own Azure AD credentials. Box 1: CREATE EXTERNAL DATA SOURCE External data sources are used to connect to storage accounts. Box 2: CREATE EXTERNAL FILE FORMAT CREATE EXTERNAL FILE FORMAT creates an external file format object that defines external data stored in Azure Blob Storage or Azure Data Lake Storage. Creating an external file format is a prerequisite for creating an external table. Box 3: CREATE EXTERNAL TABLE AS SELECT When used in conjunction with the CREATE TABLE AS SELECT statement, selecting from an external table imports data into a table within the SQL pool. In addition to the COPY statement, external tables are useful for loading data.

1. Replicated 2. Set the distribution column to product ID.

Box 1: Sales date Scenario: Contoso requirements for data integration include: Partition data that contains sales transaction records. Partitions must be designed to provide efficient loads by month. Boundary values must belong to the partition on the right. Box 2: An Azure Synapse Analytics Dedicated SQL pool Scenario: Contoso requirements for data integration include: Ensure that data storage costs and performance are predictable. The size of a dedicated SQL pool (formerly SQL DW) is determined by Data Warehousing Units (DWU). Dedicated SQL pool (formerly SQL DW) stores data in relational tables with columnar storage. This format significantly reduces the data storage costs, and improves query performance. Synapse analytics dedicated sql pool

1. Create Table 2. Range Right for values

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