[多选] You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）

A . guarantee undo retention
B . add one more redo log group
C . size the redo log files appropriately
D . size the UNDO tablespace appropriately
E . size the SYSTEM tablespace appropriately
F . configure an appropriate undo retention interval
G . change automatic undo management to manual

由于缺乏准备，不能驾驭或摆脱某种可怕或危险情景时所表现的情绪体验是（）快乐。悲哀。愤怒。恐惧。 Which of the following resources could be used to obtain the latest IBM DS Storage ManagerUser’s Guide？（） InfoCenter web site。 Announcement letter。 IBM Redbook web site。 IBMTechline/Partnerline。跨栏跑的成绩取决于（）、（）及（）。 Which storage system is this statement describing: A high-end, disk storage system with a virtualized grid architecture designed to eliminate the complexity of storage administration and make managing storage easy.（） XIV system。 SONAS。 DS8800。 N serie。现金流量表中的“现金”即为货币资金。 You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）

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[多选] You started a long transaction. Before committing， you executed a query on one of the tables currently being modified. You received the following error： ORA-01555： snapshot too old How would you prevent such an error in the future？（）

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