Which of the following methods can be used to cascading delete the records of two models? (Multiple Choice)
A.
If the property of model A is Dependence and depends on model B, data in model A will be deleted when data of model B is deleted.
B.
You can configure a rule whose event is model A's delete, and action is another model's delete.
C.
If the property of model A is Reference and depends on model B, data in model A will be deleted when data of model B is deleted.
D.
If the property of model A is Reference(Clear field) and depends on model B, data in model A will be deleted when data of model B is deleted.
If the property of model A is Dependence and depends on model B, data in model A will be deleted when data of model B is deleted.
You can configure a rule whose event is model A's delete, and action is another model's delete.
Which of the following conditions must be met when the Text type property is used as the primary key?
A.
Special characters must be configured.
B.
The maximum length must be less than 250.
C.
The maximum length is 4000.
D.
Need to set the default value
The maximum length must be less than 250.
Which of the following statements is correct about Number?
A.
The property of the Number type cannot set with default value.
B.
The maximum and minimum values can be set for the property of the Number type.
C.
The property of the Number type can be used as the primary key
The property of the Number type can be used as the primary key
In the model configuration specification, what is the maximum number of property of a model?
A.
50
B.
200
C.
1000
D.
100
100
To view the send log and received log packets, select the Save success message record check box in the interface package.
A.
TRUE
B.
FALSE
TRUE
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