Both certifications are from different domains.
We can not compare these two exams/certifications.
As asked in previous post, decide whether you want to enhance your skill in DB OR your Java middleware skills through web services. Accordingly you can take your decision on certificates
Oracle certified JPA Developer (1Z0-898),Oracle certified Java 8 Programmer I (1Z0-808), Oracle Java Web Service Developer (1z0-897), Oracle certified Java 7 Programmer, SCJA 1.0, SCJP 5.0, SCWCD 5.0, Oracle SQL Fundamentals I, CIW Certified Ecommerce specialist
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