# Uses of Class
fr.gouv.vitam.common.database.builder.query.ExistsQuery

Packages that use ExistsQuery
Package
Description
fr.gouv.vitam.common.database.builder.query
Provides query classes
fr.gouv.vitam.common.database.parser.query
Provides queries to be used within the Vitam DSL

- ## Uses of ExistsQuery in fr.gouv.vitam.common.database.builder.query

  Methods in fr.gouv.vitam.common.database.builder.query that return ExistsQuery
  Modifier and Type
  Method
  Description
  `static final ExistsQuery`
  QueryHelper.`exists(String variableName)`
  `static final ExistsQuery`
  QueryHelper.`isNull(String variableName)`
  `static final ExistsQuery`
  QueryHelper.`missing(String variableName)`
  Deprecated.
  Use $not + $exists

- ## Uses of ExistsQuery in fr.gouv.vitam.common.database.parser.query

  Subclasses of ExistsQuery in fr.gouv.vitam.common.database.parser.query
  Modifier and Type
  Class
  Description
  `class`
  `ExistsQuery`
  the class of exist query