2026-03-12 20:23:15

tpt/aot/demo1a.sql

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+-- demo1
+-- the idea is to show that "slow sessions" do not always spend majority of time
+-- actively working in the database, but spend time waiting for the application
+-- to send the next command (application think time)
+
+SET TIMING ON
+SET ARRAYSIZE 15
+SET APPINFO ON
+
+PROMPT Running Report...
+SET AUTOTRACE TRACE STAT
+
+-- a "simple report" that returns lots of records
+SELECT * FROM soe.customers WHERE credit_limit > 10;
+
+--SELECT /*+ NO_PARALLEL */
+--    c.customer_id
+--  , c.cust_first_name ||' '||c.cust_last_name
+--  , c.credit_limit
+--FROM
+--    soe.orders o
+--  , soe.order_items oi
+--  , soe.customers c
+--WHERE
+---- join conditions
+--    c.customer_id = o.customer_id
+--AND o.order_id    = oi.order_id
+---- constant filter conditions
+--AND c.customer_id BETWEEN 100000 AND 200000
+----AND c.dob BETWEEN DATE'2000-01-01' AND DATE'2001-01-01'
+--AND o.order_mode = 'online'
+--AND o.order_status = 5
+--/
+
+SET AUTOTRACE OFF
+