materialized-views

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Oracle query rewrite with virtual columns in the source table

I have a table, demo_fact in Oracle 11g and it has several virtual columns defined as such: ALTER TABLE demo_fact ADD (demo_measure_from_virtual NUMBER GENERATED ALWAYS AS[详细]

2023-02-07 13:48 分类：问答
ORACLE - Materialized View LOG

I have a table with a MVIEW Log, i would like to know if its suspicious to have : SELECT count(*) from Table[详细]

2023-02-03 05:36 分类：问答
MView "enable query rewrite" usage

CREATE TABLE TEST_DATE(COL1 VARCHAR2(20),COL2 NUMBER,COL3_DATE DATE,COL4_DATE DATE) / create materialize开发者_运维问答d view TEST_SYS[详细]

2023-01-27 20:16 分类：问答
Materialized views with MySQL

Emulated materialized views with MySQL has goo开发者_运维知识库d performance? I\'m learning how to do with this link[详细]

2023-01-21 15:09 分类：问答
Can materialized views be used as a fast denomalized big table?

Can Oracle Materialized views be used to join multiple related tables having foreign keys to create a larger denormalized big table which is refreshed instantaneously?[详细]

2023-01-19 09:23 分类：问答
Can I have a materialized view refresh on commit only for two of three tables in its select statement?

I would like to use a materialized view that refreshes ON COMMIT.My backing view joins two tables in the local database and one table in a remote database via DB Link.How can I have the view refresh o[详细]

2023-01-18 18:45 分类：问答
MySQL: Materialized Views? [duplicate]

This question already has answers here: Closed 12 years ago. Possible Duplicate: Is it possible to have an indexed view in MySQL?[详细]

2023-01-14 17:23 分类：问答
What is PCT for a materialized view?

Saw it in a reference manual. What is PC开发者_如何转开发T for a materialized view? What is \"Partition Change Tracking\"?From the Oracle documentation itself :[详细]

2023-01-05 11:15 分类：问答
Can I set up materialised views on oracle for a SQL Server table over sqllink?

I have a table in a SQL Server database that needs to be visible to an oracle database. We have tried using a normal view over sqllink, but we are not able to create an onUpdate triggers on that view.[详细]

2023-01-05 04:12 分类：问答
Materialized views and synonyms

Can anyone say Materialized view and Synonyms PROS and CO开发者_开发技巧NS? Best regards, KristapsThere are a couple of articles out there:[详细]

2023-01-02 01:09 分类：问答