Updating multiple table
When used in the subquery of a DML statement, you can specify this clause in a subquery in the can be a subquery, a column, a function, or a collection constructor.
Regardless of its form, it must return a collection value—that is, a value whose type is nested table or varray.
A “resource identifier object” MUST contain member, whose value is a meta object that contains non-standard meta-information.
To reduce the number of HTTP requests, servers MAY allow responses that include related resources along with the requested primary resources. In a compound document, all included resources MUST be represented as an array of resource objects in a top-level member.
This process of extracting the elements of a collection is called refers to a LOB object attribute, then you must first initialize it with a value of empty or null. Also, if you are updating a LOB value using some method other than a direct to set the column to the value previously specified as the default value for the column.
If no default value for the corresponding column has been specified, then the database sets the column to null.
JSON API is designed to minimize both the number of requests and the amount of data transmitted between clients and servers.
Resource linkage in a compound document allows a client to link together all of the included resource objects without having to Note: The spec does not impart meaning to order of resource identifier objects in linkage arrays of to-many relationships, although implementations may do that.Although the same media type is used for both request and response documents, certain aspects are only applicable to one or the other. Unless otherwise noted, objects defined by this specification MUST NOT contain any additional members.Client and server implementations MUST ignore members not recognized by this specification.Arrays of resource identifier objects may represent ordered or unordered relationships, and both types can be mixed in one response object.relationship includes a link for the relationship itself (which allows the client to change the related author directly), a related resource link to fetch the resource objects, and linkage information.