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Identify the two situations in which you use the alert log file in your database to check the details.（）
A:Running a query on a table returns "ORA-600： Internal Error."
B:Inserting a value in a table returns "ORA-01722： invalid number."
C:Creating a table returns "ORA-00955： name is already used by an existing object."
D:Inserting a value in a table returns "ORA-00001： unique constraint （SYS.PK_TECHP） violated." 
E:Inserting a row in a table returns "ORA-00060： deadlock detected while waiting for resource."

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出自：Oracle认证

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