Oracle ADF helps you to build af:query component declaratively by dropping view criteria defined in a view object on to a page. While building view criteria you can create custom operators or remove built-in operators (displayed in advanced mode of af:query component) for each view criteria item by adding <CompOper/> to the view object XML file. Note that you may need to do it manually, there is no editor support for the same. This concept is explained in developers guide under the topic - How to Create Custom Operators or Remove Standard Operators . The attributes used in <CompOper/> as as follows: Name: Specify an id for the operation. ToDo: Set to 1 to add this custom operator. Set to -1 to remove an operator. OperDescStrCode: Specify the id used in the message bundle to map to the description string. Oper: Set to a value that will be used programmatically to denote this operation in the SQL statement. MinCardinality: If there is an input range, set this prop
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