Oracle System Architecture Question:
Explain what is Shared SQL Area?
Answer:
Shared SQL areas are shared memory areas; any Oracle process can use a shared SQL area. The use of shared SQL areas reduces memory usage on the database server, thereby increasing system throughput. Shared SQL areas are aged out of the shared pool by way of a least recently used algorithm (similar to database buffers). To improve performance and prevent reparsing, you may want to prevent large SQL areas from aging out of the shared pool
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