For MDC tables, the selection of BLOCKINSERT may improve the performance of INSERT operations by locking at the block level and avoiding row locks for INSERT operations.
对于mdc表,选择BLOCKINSERT可以提高INSERT操作的性能,因为使用的是块级的锁,避免了为INSERT操作使用行锁。
Avoiding use of the eval function to process a block of JSON data.
避免使用eval函数来处理JSON数据块。
So, avoiding sleeping with a night-light, not falling asleep with the bedroom TV on all night long, and perhaps using dark curtains to block out street light might be a good idea.
因此,避免晚上开着夜灯睡觉,避免晚上开着电视睡觉,另外,用一个黑色窗帘来阻挡路灯的灯光是个好办法。
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