Snowflake wants to reduce enterprises’ reliance on data engineers and data scientists for unstructured data analysis with its ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

and the SQL syntax is, predictably, the same as Apache Hive. But Impala’s main difference from Drill is that it’s not meant to be source-agnostic; it queries Hadoop exclusively. HAWQ for ...

SELECT options refine results As we saw in the last article, the SQL SELECT statement has the widest variety of query options, which are used to control the way data is returned. These options ...

Build a SELECT statement similar to the following in the ... When working with databases other than Microsoft's SQL Server, check the manual to see if it supports SELECT INTO.

The process of query optimization is very computationally expensive. For this reason, SQL Server stores execution ... that was initially passed in. For example: The execution plan would get ...

The DESCRIBE VIEW statement writes a view definition to the SAS log. If you use a PROC SQL view in the DESCRIBE VIEW statement that is based on or derived from another view, you may want to use the ...

PROC SQL allows you to specify the ORDER BY clause in the CREATE VIEW statement. Every time a view is accessed, its data are sorted and displayed as specified by the ORDER BY clause. This sorting on ...