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Oracle certifications follow a track that is oriented toward a job role. These are database administration,application developer, and web application server administrator tracks. Within eachtrack, Oracle has a multi-tiered certification program.Within the administration track there are three tiers:The first tier is the Oracle 10gCertified Associate (OCA). To obtain OCA certification, youmust pass the 1Z0-042 Oracle Database 10g: Administration I exam in a proctored setting.The second tier is t
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