DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION来完成。 例如: 复制代码 代码如下: SELECT SID, SERIAL#, USERNAME FROM V$SESSION WHERE USERNAME = 'ETL' EXEC DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION(61,76,TRUE); EXEC DBMS_SYSTEM.SET_SQL_TRACE_IN_SESSION(61,76,FALSE); 5 利用10046事件 复制代码 代码如下:...
R/Call:平均每次执行的响应时间。Item :查询对象# 第三部分:每一种查询的详细统计结果# **Query 1**: 0 QPS, 0x concurrency, ID 0x9E3ACC745D5A7770 at byte 0 ___# This item is included in the report because it matches --limit.# Scores: V/M = 0.00# Time range: all events occurred at...
STV_EXEC_STATE STV_INFLIGHT STV_LOAD_STATE STV_LOCKS STV_ML_MODEL_INFO STV_MV_DEPS STV_MV_INFO STV_NODE_STORAGE_CAPACITY STV_PARTITIONS STV_QUERY_METRICS STV_RECENTS STV_SESSIONS STV_SLICES STV_STARTUP_RECOVERY_STATE STV_TBL_PERM STV_TBL_TRANS STV_WLM_CLASSIFICATION_CONFIG STV_WLM_QMR_CON...
Oracle 执行计划(Explain Plan) 说明 如果要分析某条SQL的性能问题,通常我们要先看SQL的执行计划,看看SQL的每一步执行是否存在问题。如果一条SQL平时执行的好好的,却有一天突然性能很差,如果排除了系统资源和阻塞的原因,那么基本可以断定是执行计划出了问题。 看懂执行计划也就成了SQL优化的先决条件。这里的SQL优化...
dockerexec-it mysql-explain mysql -u root -p# 输入密码, 进入操作 2.1 数据初始化 新建测试表,插入 10w 数据: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 -- 创建库 CREATEDATABASE test1; ...
exec dbms_workload_repository.create_baseline (56,59,'apply_interest_1') 这一操作将快照从 56 到 59 编号,作为上面指定的基准线的一部分。查看现有的基准线: select * from dba_hist_baseline; DBID BASELINE_ID BASELINE_NAME START_SNAP_ID END_SNAP_ID ...
(日志的时间范围): all events occurred at 2015-06-10 14:31:21 # Attribute total min max avg 95% stddev median # === === === === === === === === # Exec time(执行时间) 23ms 23ms 23ms 23ms 23ms 0 23ms # Lock time(锁定时间) 253us 253us 253us 253us 253us 0 253...
go run exec.goCompress by pipego run compress.goCompress by filego run compress2.goParse CSV (Golang Playground)go run csv.goConvert CSV to a Markdown table (Golang Playground)go run csv2md.goParse a XML string into a Struct with undefined Fields (Golang Playground)...
go run exec.go Compress by pipe go run compress.go Compress by file go run compress2.go Parse CSV (Golang Playground) go run csv.go Convert CSV to a Markdown table (Golang Playground) go run csv2md.go Parse a XML string into a Struct with undefined Fields (Golang Playground) ...
Set breakpoint on these beforeExec and afterExec methods, launch the project with Tomcat under debug mode, paste the following url to your browser: http://localhost:9498/springaop/aopRootJerry/aop2Jerry/i042416?string=sap Through callstack you can understand how the AOP call is working in ...