What are the valid parameter values for apex?
Valid parameter values include: APEX – Application Express workspace accounts authentication (default) HEADER – HTTP header variable based authentication Controls the URI path prefix used to access built-in RESTful Services exposed by Application Express.
When does sobject expression evaluate to null in apex?
An SObject expression evaluates to null when the relationship is null. The behavior is equivalent to String s = contact.Account.BillingCity. If the SOQL query returns no objects, then the expression evaluates to null. The behavior is equivalent to: s = null; // New behavior when using Safe Navigation. Earlier, this would throw an exception.
Which is an example of an apex type?
All Apex types are implicitly nullable and can hold a null value returned from the operator. This example first evaluates a, and returns null if a is null. Otherwise the return value is a.b. This example returns null if a [x] evaluates to null.
Which is part of an apex expression is not evaluated?
The part of the expression that isn’t evaluated can include variable references, method references, or array expressions. All Apex types are implicitly nullable and can hold a null value returned from the operator. This example first evaluates a, and returns null if a is null. Otherwise the return value is a.b.
Which is the default parameter for APEX-application Express workspace accounts?
APEX – Application Express workspace accounts authentication (default) Controls the URI path prefix used to access built-in RESTful Services exposed by Application Express. For example, built-in RESTful Service for referencing static application files using #APP_IMAGES# token.
Can a parent component be a child of an apex Param?
A parameter for the parent component. The component can only be a child of the following components: Use this component to get user input for a controller method that does not correspond to a field on an sObject. Only and apex:outfield can be used with sObject fields.
What are the parameters for apex instance admin?
Table 15-1 lists all the available parameter values you can set within the APEX_INSTANCE_ADMIN package, including parameters for email, wallet, and reporting printing. The maximum number of days an end-user account password may be used before the account is expired. If set to Y, the default, database monitoring is enabled.