Fix Oracle database setup script.

Changed BIGINT to NUMBER.

See #1656
Original pull request #1663

spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-oracle.sql

@@ -355,13 +355,13 @@ CREATE TABLE MAP_ELEMENT
 (
     MULTIPLE_COLLECTIONS     NUMBER,
     MULTIPLE_COLLECTIONS_KEY VARCHAR(10),
-    ENUM_MAP_OWNER           BIGINT,
+    ENUM_MAP_OWNER NUMBER,
     ENUM_MAP_OWNER_KEY       VARCHAR(10),
     NAME                     VARCHAR(100)
 );
 
 CREATE TABLE ENUM_MAP_OWNER
 (
-    ID   BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    ID NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
     NAME VARCHAR(100)
 );