How do I create a SQL AWR report?
How do I create a SQL AWR report?
To generate an AWR Compare Periods report on the local database instance using the command-line interface:
- At the SQL prompt, enter: @$ORACLE_HOME/rdbms/admin/awrddrpt.sql.
- Specify whether you want an HTML or a text report: Enter value for report_type: html.
What is AWR report in Oracle?
Automatic Workload Repository report or AWR report collects, processes, and maintains performance statistics for problem detection and self-tuning purposes. This gathered data is stored both in memory and in the database and is displayed in both reports and views.
What do AWR reports look for?
AWR Report – Load Profile
- DB Time(s): Sessions elapsed time in the database.
- DB CPU(s): Sessions elapsed time in the CPU.
- Redo Size: Redo size ( byte ) between two snapshot.
- Logical Reads: Logical read count in the database.
- Block Changes: Block changes count between two snapshot.
What is AWR in SQL?
AWR reports are the first thing DBAs would generate when a performance issue is reported during an interval. An AWR report shows us the data captured between two snapshots. The AWR report has the workload profile of the database system.
What is AWR SQL Report?
You have option to fetch the specific report for a particular SQL Query for check the performance of the SQL Query. SQL script. When you connect with sysdba user and fetch the report by executing the Script (AWRSQRT. SQL) it will ask for SQL_ID input as parameter.
What does AWR report contain?
What is AWR? The AWR provides a set of tables into which snapshots of system statistics are stored. Generally these snapshots are taken on an hourly basis and include wait interface statistics, top SQL, memory, and I/O information that is cumulative in nature up to the time of the capture.
Where are AWR reports stored?
SYSAUX tablespace
AWR data is stored in SYSAUX tablespace.
What is SQL module in AWR report?
SQL ordered by Elapsed Time and the (SQL) Module. The Top SQLs can be matched to long running or slow Processes in the application. In this report, look for query has low executions and high Elapsed time per Exec (s) and this query could be a candidate for troubleshooting or optimizations.
