依据《地下防水工程质量验收规范》(GB50208-2011)7.1.6渗排水、盲沟排水分项工程检验批的抽样检验数量,应按15%抽查,其中按两轴线间或10延米为1处,且不得少于3处。
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In Recovery Manager (RMAN), you set the retention policy to NONE by executing the following command: CONFIGURE RETENTION POLICY TO NONE; What would be the impact of this setting?()
A. The retention policy is cleared.
B. RMAN does not consider any backup as obsolete.
C. The retention policy is set to its default setting of redundancy 1.
D. The retention policy is set to its default setting of recovery window 7.