22 Questions
What is the primary purpose of the Transact-SQL syntax conventions section in the provided text?
To explain the syntax and arguments used in creating new tables in Azure Synapse Analytics or Analytics Platform System (PDW)
Which of the following is NOT a valid table structure option mentioned in the text?
PRIMARY KEY
If a user wants to create a local temporary table in Azure Synapse Analytics, what is the correct syntax for the table_name argument?
#table_name
What is the default value for the NULL/NOT NULL column option in Azure Synapse Analytics?
NULL
What is the purpose of the section on Indexing tables in Azure Synapse Analytics?
To provide guidance on choosing the type of table to create
Which of the following is NOT a valid argument for the CREATE TABLE statement in Azure Synapse Analytics or Analytics Platform System (PDW)?
column_type
What is the default value of n for the datetimeoffset data type?
7
How does the datetime2 data type differ from the datetime data type?
It allows you to specify the number of fractional seconds.
What is the maximum number of characters used to store a datetime value?
23
How is the date data type stored internally?
As an integer
What is the default value of n for the time data type?
7
What determines the precision and storage size of the float data type?
The value of n
Which statement about the CLUSTERED COLUMNSTORE INDEX option is correct?
It stores the table as a clustered columnstore index, which is the default for Azure Synapse Analytics.
What is the purpose of the DISTRIBUTION = HASH option?
It assigns each row to one distribution by hashing the value stored in the specified distribution column(s), allowing for more even distribution of data.
Which statement about the DISTRIBUTION = ROUND_ROBIN option is correct?
It distributes the rows evenly across all distributions in a round-robin fashion, which is the default for Azure Synapse Analytics.
What is the purpose of the PARTITION option?
It creates one or more table partitions, which are horizontal table slices that allow operations on subsets of rows.
Which statement about the CLUSTERED INDEX option is correct?
It stores the table as a clustered index with one or more key columns, storing the data by row.
What is the purpose of the DISTRIBUTION = REPLICATE option?
It stores one copy of the table on each Compute node, which is the default for Analytics Platform System (PDW).
Which statement about the HEAP option is correct?
It stores the table as a heap, which is the default for Analytics Platform System (PDW).
What is the purpose of the LOCATION = USER_DB option?
It is deprecated and no longer affects behavior, though it is still syntactically accepted.
Which statement about ordered clustered columnstore indexes is correct?
Data in an ordered clustered columnstore index is sorted before being compressed into columnstore segments.
Which data types are supported in Azure Synapse Analytics?
Azure Synapse Analytics supports the most commonly used data types.
Learn how to create a new table in Azure Synapse Analytics or the Analytics Platform System (PDW) using Transact-SQL syntax. This quiz covers the process of defining tables within a database and understanding their usage, with a focus on both Azure Synapse Analytics and Analytics Platform System (PDW).
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