Defining Databricks Views
The following properties are applicable to a Databricks View object.
Tab |
Property |
Description |
Additional Information |
---|---|---|---|
Name | Specifies the name of the view | ||
Database | Specifies the database to which the view belongs | ||
Temporary | Specifies whether the scope of the view is temporary | A view with the temporary scope is available in the current session. | |
If Not Exists | Specifies that if the table already exists, no exception is thrown, and no action happens | ||
Global | Specifies whether the view is global | Databricks attaches GLOBAL TEMPORARY views to a preserved temporary database global_temp. | |
Use Replace Syntax | Specifies whether the REPLACE syntax is used for the view | Selecting this option replaces the syntax with the new DDL that is generated during Forward Engineering. | |
Generate | Specifies whether a DDL statement is generated for the view during forward engineering | ||
General | Table Properties | Specifies a list of metadata key-value pairs | |
Select | Available Tables and Views | Specifies a list of available tables and views | Under Available Tables and Views, select the columns that you want to define as view column. Then, click . |
Columns | Specifies the columns selected from the available tables and views | ||
Select Type | Specifies the expression type to indicate whether duplicate rows are returned |
All: Indicates that the statement returns all rows, including duplicate rows Distinct: Indicates that the statement discards duplicate rows and returns only the remaining rows |
|
Alias | Specifies a temporary name given to a table, column, or expression present in a query based on the selected column | ||
Expression | Specifies the expression for a selected column | Available only when the selected column is a user-defined function expression | |
From | Available Tables and Views | Specifies a list of available tables and views | Under Available Tables and Views, select the tables or views from which you want to select view columns. Then, click . |
From | Specifies the selected tables and views | ||
Alias | Specifies an alternate name for the selected table or view | ||
Where | Where | Specifies the boolean expression of the Where clause | |
Group By | Specifies the grouping expression that defines how the rows are grouped together | ||
Having | Specifies the boolean expression of the Having clause | ||
Order | Specifies the expression of the Order By clause |
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