[单选] Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"? （）

A . SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;
B . SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;
C . SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;
D . SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;
E . SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual

以下各项中属于认知策略（不含元认知策略）的是（）。精细加工策略。计划策略。监视策略。调节策略。 A medium-sized company with 500 employees has a rapidly growing storage infrastructure with clustered mail， database， and file and print core business applications running on six servers. Using current direct attached SCSI storage pools to each server leads to inefficient utilization of storage space.They also have a backup device attached to each server. They want to consolidate their storage and backup infrastructure into a scalable， high availability and high performance solution. The customer’s top priorities are performance， cost， and availability. Which of the following backup solutions best satisfies the customer requirements？（） A DS4000 SAN with flash copy enabled for volume mirroring。 An iSCSI solution with dedicated backup server with SCSI attached tape library。 A NAS solution with SCSI direct attached tape library with dedicated backup network。 A DS4000 SAN with fibre channel attached tape library solution with dedicated backup zone。根据房地产实物形态的不同，将房地产的价格划分为：（）、（）、（）。土地价格。建筑物价格。房地产价格。楼地面价格。 What is the default AU size of an ASM disk group? What is the maximum AU size in an ASM disk group?（） 100KB default, 10TB maximum。 256KB default, 1024MB maximum。 10MB default, 126PB maximum。 64KB default, 1EB maximum。 1MB default, 64MB maximum。职工基本医疗保险、新型农村合作医疗和城镇居民基本医疗保险的待遇标准按照国家规定执行。 Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"? （）

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[单选] Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"? （）

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