You cannot use triggers, define primary keys, Foreign keys etc.

您不能使用触发器，定义主键，外键等。

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For primary and unique keys, only the not null columns are listed and can be selected to define these keys.

对于主键和外键，只有非空列才能被列出和选择来定义这些键。

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A template USES schema information about a database, a group of tables, columns, and primary keys to define a group of master replicates and a replicate set.

模板使用关于数据库的模式信息、一组表、列和主键定义一组主副本和一个副本集。

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