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sql数据库走索引怎么始终有物理读(2)_MySQL

时间:2021-07-01 10:21:17 帮助过:5人阅读

bitsCN.com 0 0 12 0
  05 Fetch 2 0.00 0.00 0 1 0 1
  06 ------- ------ -------- ---------- ---------- ---------- ---------- ----------
  07 total 4 0.79 0.90 0 1 12 1
  08
  09 Misses in library cache during parse: 1
  10 Optimizer mode: ALL_ROWS
  11 Parsing user id: 64
  12
  13 Rows Row Source Operation
  14 ------- ---------------------------------------------------
  15 1 SORT AGGREGATE
  16 0 FILTER
  17 0 INDEX RANGE SCAN IND_T_PREBM4 (object id 38674)
  18
  19 Elapsed times include waiting on following events:
  20 Event waited on Times Max. Wait Total Waited
  21 ---------------------------------------- Waited ---------- ------------
  22 direct path write 1 0.00 0.00
  23 SQL*Net message to client 2 0.00 0.00
  24 SQL*Net message from client 2 27.20 27.22
  1 insert into sys.fga_log$(sessionid,timestamp#,dbuid,osuid,obj$schema,obj$name,
  2 policynbitsCN.com

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