Defining Snowflake Materialized Views

The following properties are applicable to a Snowflake Materialized View object.

Tab

Property

Description

 Additional Information
  Create Table As Select Specifies whether a table should be created based on the results of a SELECT statement  
  Use Replace Syntax Specifies whether to replace the CREATE syntax during Forward Engineering  
  If Not Exists Specifies whether the stored procedure already exists, no exception is thrown, and no action happens  
  Generate Specifies whether a DDL statement is generated for the function during forward engineering  

General

 Secure Specifies whether the materialized view is secure  
Copy Grants Specifies whether access permissions from an original view must be retained while replacing an existing view  
Cluster By Expression Specifies an expression on which to cluster the materialized view  
Select Available Tables and Views Specifies a list of tables and views selected under From  
Columns Specifies the selected columns  
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

Unique: Indicates that the statement discards duplicate value stored in a column or column sets

Distinct Row: Indicates that the statement discards duplicate records and include duplicate fields
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  
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 columns. Then, click .
From Specifies a list of selected tables or views from which columns are selected  
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  
Tags List Name Specifies the name of the tag  
Value Specifies the value of the available tag  
User Defined SQL User-Defined SQL Specifies whether the SQL code used in Forward Engineering is defined using the User Defined SQL tab  
SQL   Specifies the SQL code used during Forward Engineering  
While doing REDB, Materialized Views are attached to incorrect tables when they have

  • the same name but are

  • present in different schemas and are

  • derived from different tables (that have same names) in different schemas.