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begin
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SQL code:
drop table "level"


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select table_name from user_tables where upper(table_name)=upper('level')
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drop table "XXX"
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select table_name from user_tables where upper(table_name)=upper('level')
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drop table "XXX"
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select LEVEL from user_tables where upper('LEVEL')=upper('level')
¾Í²é³öÒ»ÁÐ,ÁÐÃûΪLEVEL,µ«ÊÇûÓÐÊý¾Ý,Õâ±íÃ÷ʲôÒâ˼,
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