materialized-views Questions

3

I have an existing MATERIALIZED VIEW in my postgresql database. I am trying to create typeorm entity for that. Can anyone tell me how to do that. I already went through typeorm View Entities docs b...
Prolate asked 30/8, 2019 at 10:47

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In BigQuery Is it possible to create a materialized view containing the latest row for each group in a base table. e.g. CREATE TABLE basetable ( group_id INT64, timestamp TIMESTAMP, value FLOAT64 ...
Perennial asked 22/7, 2020 at 7:26

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I have a materialized view I would like to alter to on commit (from on demand) using fast refresh. However I constantly get ora-32337 cannot alter materialized view with pending changes refresh ...
Bistoury asked 13/3, 2013 at 13:41

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I'll need to invoke REFRESH MATERIALIZED VIEW on each change to the tables involved, right? I'm surprised to not find much discussion of this on the web. How should I go about doing this? I think...
Mcmurry asked 3/4, 2015 at 18:22

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I've got a materialized view called price_changes used for some reporting. I've also got a cron job refreshing the materialized view with refresh materialized view price_changes. Everything is work...
Foilsman asked 16/1, 2014 at 15:35

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I am creating multiple views in my code and each time the code is run, I would like to drop all the materialized views generated thus far. Is there any command that will list all the materialized v...
Rhizomorphous asked 15/4, 2014 at 19:42

0

The latest message from the commit fest https://wiki.postgresql.org/wiki/Incremental_View_Maintenance#CommitFest is saying "Changed targetversion to 16" so it seems this feature wil...
Anisometric asked 10/3, 2022 at 16:58

1

How to implement fast refresh materialized view postgresql How to update only new changes to materialized view from base tables
Okubo asked 12/1, 2021 at 4:51

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I need to map (PostgreSQL) a materialized view to @Entity, using Hibernate. If is hbm2ddl configured to update value, Hibernate always tries to create new SQL table. That only happens if the view i...
Modla asked 14/1, 2015 at 21:28

12

It's clear to me why a materialized view is preferable over just querying a base table. What is not so clear is the advantage over just creating another table with the same data as the MV. Is the o...
Borneo asked 18/11, 2010 at 19:21

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I get the following error: ERROR: must be owner of materialized view mv_sessions SQL state: 42501 When trying to refresh my materialized view: REFRESH MATERIALIZED VIEW CONCURRENTLY partners.mv_se...
Swedenborgianism asked 14/5, 2021 at 8:5

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This is related to the previous question I asked, Saved View with a timestamp expression, about storing information in a (non-materialized) View. How would the data be stored and then retrieved whe...
Blackmail asked 18/10, 2020 at 22:28

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When running in Snowflake the following command: CREATE MATERIALIZED VIEW MV_CUSTOMER_PREFERENCE as select * from V_CUSTOMER_PREFERENCE; I get the following error: SQL compilation error: erro...
Swirly asked 17/10, 2019 at 15:5

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In PostgreSQL 9.5 I've decided to create a materialized view "effects" and scheduled an hourly concurrent refresh, since I wanted it to be always available: REFRESH MATERIALIZED VIEW CONCURRENTLY ...

1

I am currently having a series of materialized views View #1 and View #2 which I use for reporting. Using PGAdmin, I want to change the code of Materialized View #1 (just change the where clause, t...
Cutthroat asked 24/7, 2020 at 13:36

2

In the current plan, incoming commands are handled via Function Apps, resulting in Events being sent to an Event Hub, and then materializing the views Someone is arguing that instead of storing ev...

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Currently the Materialized view which I had created using REFRESH ON DEMAND so in this case I need to refresh MV explicitly using below command: BEGIN DBMS_MVIEW.REFRESH('MV_DATA'); END; But no...
Dorison asked 18/3, 2014 at 13:37

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In the Redshift FAQ under Q: How does the performance of Amazon Redshift compare to most traditional databases for data warehousing and analytics? It says the following: Advanced Compressi...
Neuberger asked 31/5, 2016 at 13:41

2

I want to set up an outbound integration from Maximo 7.6.1.1 to an external system. Both Maximo and the external system have Oracle 12c databases. In the external system, I want to select open WOs...
Arianaariane asked 23/12, 2019 at 3:14

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What is the difference between Views and Materialized Views in Oracle?
Kailakaile asked 18/9, 2008 at 15:23

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What's the actual difference between View and Materialized View? I have gone through lot of links where they said normal View is a like a virtual table and data cannot be stored on a disk where i...
Sushi asked 20/5, 2019 at 18:38

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Iam trying to refresh the materialized view by using: DBMS_MVIEW.REFRESH('v_materialized_foo_tbl') But it's throwing invalid sql statement. Then I have created a stored procedure like this: C...
Rigger asked 19/7, 2012 at 6:10

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How can I create a primary key on a materialized view in Postgres? ALTER MATERIALIZED VIEW my_mat_view ADD PRIMARY KEY (id) returns error: Error in query: ERROR: "my_mat_view" is not a table ...
Ahmadahmar asked 11/1, 2019 at 22:30

2

I have a MATERIALIZED VIEW that is created via a migration. class MyView < ActiveRecord::Migration def up ActiveRecord::Base.connection.execute <<-SQL CREATE MATERIALIZED VIEW my_view ...

3

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I created some materialized views and Oracle SQL Developer puts a little red 'x' next to each of them. At the moment they are returning the correct information when I query them and running the fol...

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