materialized-views

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How to create indexes on MQT(materialized query table) in Db2?

How to create indexes on MQT(materialized query table) in Db2? I haven\'t found this information in documentation? Is 开发者_运维知识库indexcreation syntax the same as for common tables?After you crea[详细]

2023-03-13 05:44 分类：问答
Oracle - What happens when refreshing a 'REFRESH FORCE ON DEMAND' view with DBMS_MVIEW.REFRESH

I have the following materialized view - CREATE MATERIALIZED VIEW TESTRESULT ON PREBUILT TABLE WITH REDUCED PRECISION[详细]

2023-03-13 04:27 分类：问答
Oracle - I can't use Materialized View's PREBUILD statement with other MV clauses

I\'m trying to build a Materialized View on top of a prebuilt table.I can use the below syntax with no modifiers and it works fine.[详细]

2023-03-11 22:47 分类：问答
Materialized Views - Identifying the last refresh

I presently access a series of views and materialized views.The materialized are maintained by a third party who offers little information regarding the frequency and success of the materialization. O[详细]

2023-03-01 10:31 分类：问答
Do Oracle materialized view records get timestamp automatically?

Do Oracle materialized开发者_开发百科 view records get timestamp automatically?The date of the last refresh for a materialized view is held in ALL_MVIEWS.LAST_REFRESH_DATE (or USER_MVIEWS.LAST_REFRESH[详细]

2023-02-27 05:00 分类：问答
How to create a mysql view with current information

I want to create a view of current information as such: CREATE VIEW activeProducts AS SELECT * FROM products WHERE isActive = 1[详细]

2023-02-21 19:45 分类：问答
Declarative integrity constraint between rows without pivot

Merged with Declarative integrity constraint between rows without pivot. I have a situation like the following join table:[详细]

2023-02-18 16:51 分类：问答
Is it possible to detect which table is what data changed in oracle materialized view using trigger?

I have a materialized view and I want to detect: when materialized view is updated which table(s)\'s what data\'s 开发者_运维知识库(or row) changed?[详细]

2023-02-11 05:52 分类：问答
Materialize data from cache table to production table [PostgreSQL]

I am trying to find the best solution (perfomance/easy code) for the following situation: Considering a database system with two tables, A (production table) and A\'(cache table):[详细]

2023-02-10 13:39 分类：问答
Business Reporting on an OLTP Application

We have an OLTP application using Oracle Database 10g Enterprise Edition, and plan to build a bu开发者_JAVA百科siness reporting layer to meet the following needs.[详细]

2023-02-09 20:48 分类：问答