e.g. com.example.something • timeout=[millis]: timeout in milliseconds • create-pks: create primary keys • drop-pks: drop primary keys • create-constraints: create indexes and foreign keys after loading

e.g. com.example.something • timeout=[millis]: timeout in milliseconds • create-pks: create primary keys • drop-pks: drop primary keys • create-constraints: create indexes and foreign keys after loading

用户对免费版 软件的使用行为，进行有针对性的转换跟进和追加销售，例如，向销售团队提供超出其使用 限制并准备付款的客户列表。除了传统的销售转化，还可以通过自助购买路径进行转化（Self- service selling），这种转换路径很大程度上降低了销售成本。 Secondly, open source software tends to have a higher paid conversion their usage limits and are ready to pay. In addition to traditional sales conversions, a self-service selling route can also be used, which reduces sales costs to a large extent. 最后在留存阶段，开源软件可以使 initial free software to different commercialization models - from the era of RedHat as a support service to the current era of cloud hosting. The evolution of the business model has been driven by both

观察用户对免费版软件的使用行为，进行有针对性的转 换跟进和追加销售，例如，向销售团队提供超出其使用限制并准备付款的客户列表。除了传统的销售转化， 还可以通过自助购买路径进行转化（Self-service selling），这种转换路径很大程度上降低了销售成本。 最后在留存阶段，开源软件可以使用户规避供应商锁定风险，使其愿意进行长期使用。基于同一个开源 项目，其下游可能会出现多个提供相似功能 9k 57 Instructure Canvas $90 2015/2 4.1k 1.7k 248 Datastax Cassandra $228 2021/5 1.8k 868 95 Pivotal(Now Vmware Tanzu) CloudFoundry $1,700 2016/5 2k 648 303 Couchbase Couchbase $251 2020/5 1.5k 291 Data OWID Data Portal W19 - Pachyderm Pachyderm Data Science W15 $12 Papercups Papercups Customer Service Application S20 - PipelineDB PipelineDB Database W14 - Parakey Planned but no OSS Operating System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5. Service Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 9.6. Preparing Service Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for routing and handling requests. • An entity engine to define, load and manipulate data. • A service engine to define and control business logic. • A widget system to draw and interact with a user

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5. Service Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 9.6. Preparing Service Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for routing and handling requests. • An entity engine to define, load and manipulate data. • A service engine to define and control business logic. • A widget system to draw and interact with a user

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5. Service Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 14.7. Preparing Service Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for routing and handling requests. • An entity engine to define, load and manipulate data. • A service engine to define and control business logic. • A widget system to draw and interact with a user

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5. Service Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 9.6. Preparing Service Results. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for routing and handling requests. • An entity engine to define, load and manipulate data. • A service engine to define and control business logic. • A widget system to draw and interact with a user

"edit button" not appears Security rules • nothing at the screenlet level, only at the update service level (and component rules) 2.1.2. Contact Mechanism This screenlet displays the Contact Mechism will be used when creating Security rules • nothing at the screenlet level, only at the update service level (and component rules) 2 Technical remarks This portlet displays the Contact Mechism if it • "Employee", ie list all employees of a company; • "Team Member", ie list all team members or service members; • ... For a relationship between Party, it is also possible to specify the role of the

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3. Service Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for routing and handling requests. • An entity engine to define, load and manipulate data. • A service engine to define and control business logic. • A widget system to draw and interact with a user to interact with the system. These applications usually operate on the existing data model and service library. Examples include the "Accounting Manager" and "Order Manager". • A collection of optional