One workaround is to create a user-defined "after insert" trigger on the OlapQueryLog table in your relational database to duplicate the newly inserted rows into your own table. This table can be manually maintained as you want. For example: ...
Since there is a primary key in the tested table, during the execution, the slave needs to locate every piece of data in the "Event" against the specific row via the primary key before updateing the corresponding row. As for the master, it conducts just one data location, but the slave...
One workaround is to create a user-defined "after insert" trigger on the OlapQueryLog table in your relational database to duplicate the newly inserted rows into your own table. This table can be manually maintained as you want. For example: create trigger SaveQueryLog on Ola...
A processing device receives a query and processes a global index associated with a database with respect to the query to identify corresponding identifiers and/or strings, processes indexes associated with data items within the database with respect to the identifiers and/or strings, scans adjacent...
Indatabase theory, aviewis theresult setof astoredqueryon thedata, which thedatabaseusers can query just as they would in a persistent database collection object. This pre-established query command is kept in the database dictionary. Unlike ordinarybase tablesin arelational database, a view do...
默认情况下,Object Relational Designer 将试图创建一个类名,该名称是数据库表名称的单数版本。换句话说,如果数据库表名称为Customers,则 Object Relational Designer 将创建的表名称为Customer。 通常Object Relational Designer 善于命名。不幸的是,Object Relational Designer 将数据库表名称 Movies 转换为 Movy(很接近,...
"disabled_storage_engines" is a new parameter that is introduc ed in Version 5.7.8, and used to set the disabled storage engine when creating a table ("CREATE TABLE"). For example, disable MyISAM and MEMORY engines when creating a table. [mysqld] disabled_storage_engines="MyISAM,MEMORY"...
要创建一组 LINQ to SQL 类,最快的方法是利用 Visual Studio Object Relational Designer。右键单击 Models 文件夹,选择Add,New Item,选择 LINQ to SQL Classes 模板,将类命名为Movie.dbml,然后单击Add按钮(如图 1 所示)。 图1:创建 LINQ to SQL 类(单击查看大图) ...
One workaround is to create a user-defined "after insert" trigger on the OlapQueryLog table in your relational database to duplicate the newly inserted rows into your own table. This table can be manually maintained as yo...
One workaround is to create a user-defined "after insert" trigger on the OlapQueryLog table in your relational database to duplicate the newly inserted rows into your own table. This table can be manually maintained as yo...