The DB_BLOCK_CHECKINGinitialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（） The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.。 The DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.。 The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.。 The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.。 The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent.。
接地体与埋地交流电缆、光缆、传输电缆交越或并行时，接地体与电缆之间的距离应不小于（）mm；与高压埋地电缆交越时，接地体与高压电缆之间宜满足500mm的最小距离，并行时宜满足1000mm的最小距离。 100。 150。 250。 200。
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塞柄结合器主要用于（） 连接刀具。 连接塞柄。 平衡压力。 全部包括。
What is the result？（） 0.0。 Compilation fails.。 A ParseException is thrown by the parse method at runtime.。 A NumberFormatException is thrown by the parse method at runtime.。
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What is the result？（）
