When a repeating timer expires,（）. The When-Timer-Expired trigger resets the timer's iteration parameter. 。 The When-Custom-Item-Event trigger fires and executes the desired actions. 。 It is put in a queue of expired timers for processing on a first-in-first-out basis. 。 The When-Timer-Expired trigger fires instantly regardless of any other processing in the form module.&e。
相图的作用？
Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?（） LOG_BUFFER。 SORT_AREA_SIZE。 JAVA_POOL_SIZE。 STREAMS_POOL_SIZE。 DB_16K_CACHE_SZIE。 DB_KEEP_CACHE_SIZE。
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Given： What is the result？（） X， followed by an Exception.。 No output， and an Exception is thrown.。 Compilation fails due to an error on line 14.。 Compilation fails due to an error on line 16.。 Compilation fails due to an error on line 17.。
Which three statements are true about logical structures of the Oracle database（）
