Hide some entities and/or attributes
/how-to/hide-entities-and-attributesHere we explain how to implement different ways to limit the quantity of entities and attributes shown in Data Model
Create virtual (calculated) attribute in you model
/tutorials/add-virtual-attribute-in-modelVirtual attributes: what are they for and how to add one
Navigate through data model entities and attributes
/how-to/run-through-data-model-entitiesA code snippet which demonstrates how to run through data model entities and attributes
How to add a column with the same attribute as in newly added condition
/how-to/add-column-by-condition-attributeA code snippet which demonstrates how to do this task
EntityAttr class
/api-reference-5x/korzh-easyquery-namespace/entityattr-classRepresents one entity attribute of data model.
EntityAttr class
/api-reference-4x/korzh-easyquery-namespace/entityattr-classRepresents one entity attribute of data model.
Entities page
/data-model-editor/entities-pageThis page describes entities participating in the data model and their attributes.
MetaEntityAttr class
/api-reference/easydata-core/easydata-namespace/metaentityattr-classRepresents one entity attribute of data model.
DbEntityAttr class
/api-reference-5x/korzh-easyquery-db-namespace/dbentityattr-classBase attribute of SQL entity
EntityAttr class
/api-reference/korzh-easyquery/korzh-easyquery-namespace/entityattr-classRepresents one entity attribute of data model.
DbEntityAttr class
/api-reference-4x/korzh-easyquery-db-namespace/dbentityattr-classBase attribute of SQL entity
DbEntityAttr class
/api-reference/korzh-easyquery-db/korzh-easyquery-db-namespace/dbentityattr-classBase attribute of SQL entity
Lookup fields and columns
/tutorials/lookup-fields-columnsHow to deal with lookup fields in EasyQuery
EqExpression class
/api-reference-5x/korzh-easyquery-namespace/eqexpression-classRepresents common expression object.
EqExpression class
/api-reference/korzh-easyquery/korzh-easyquery-namespace/eqexpression-classRepresents common expression object.
Building data model dynamically using code (version 3.x)
/how-to/build-data-model-by-codeHere you can find all steps you need to perform
Data Model
/fundamentals/data-modelIn short (and by its name), data model - is a model (representation) of some data stored in your database. It solves two major problems: Presents the data to the end user in a more friendly and familiar way. Contains some meta information that helps EasyQuery components to build query statements in SQL or other query languages. Any data model contains the following main sections: