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Creating My Own PL/SQL
Performance Monitoring Tool
using PL/SQL and APEXWhy do DBA’s get all the cool tools?
Gary J. Propeck, Ph.D.
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Objectives
Develop an Application around the PL/SQL Profiler (DBMS_PROFILER)
Monitor PL/SQL Profiler Data Collection
Create Baselines and Thresholds
Report Threshold Violations during PL/SQL execution.
Use only Oracle-supplied tools
SQL Developer (17.2.0)
Application Express (APEX 5.1.3)
Oracle RDBMS 12.1.0.2
SQL*Plus
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Objectives
Demonstrate PL/SQL Programming Techniques
Anonymous Blocks
Named Procedures
Named Functions
Packages
Package Body
Package Specification
Triggers
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Objectives
Use PL/SQL “Encapsulation”.
No Privileges for Select, Insert, Update, or Delete granted on tables.
Data Entered and Manipulated via:
PL/SQL
APEX
Create Package to invoke PL/SQL Profiler (DBMS_PROFILER).
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MOTIVATIONWhy do this?
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Motivating Factors
Unemployment?
Business?
Retirement?
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Why do DBA’s get all the cool Oracle
tools?
Oracle Enterprise Manager (OEM)
AWR
ADDM
ASH
Metrics and Baselines
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But…
Why?
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Install the PL/SQL Profiler
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Install the PL/SQL Profiler
$ORACLE_HOME\rdbms\admin
proftab.sql
PLSQL_PROFILER_RUNS
PLSQL_PROFILER_DATA
PLSQL_PROFILER_UNITS
profload.sql
DBMS_PROFILER
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PLSQL_PROFILER_RUNSInstalled into user schema
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PLSQL_PROFILER_DATAInstalled in user schema
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PLSQL_PROFILER_DATAInstalled in user schema
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DBMS_PROFILERRUN AS SYSDBA
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Create Procedures to invoke and
stop PL/SQL Profiler
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Create Procedures and Functions for
Starting and Stopping the PL/SQL Profiler
start_profiler_proc1.pls
start_profiler_proc2.pls
start_profiler_func1.pls
start_profiler_func2.pls
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Start_profiler_proc2.pls
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Test using an Anonymous Block
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The Anonymous Block
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Capture The Anonymous Block
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Results
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Test using a Named Procedure
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Compare the Anonymous Block to a
Named Procedure
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Compare the Anonymous Block to a
Named Procedure
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Does Flushing the Shared Pool change
Performance
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Using DBMS_PROFILER to Demonstrate the Effectiveness of the Shared Pool
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Display Data with APEX
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Query for APEX Chart
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APEX App Home Page
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Chart of Execution - Flush Shared Pool
for Each Execution
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Chart of Execution - Flush Shared Pool
for First Execution
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Create a PL/SQL Package
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Benefits of a PL/SQL Package
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Package Specification
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SQL Developer Code Snippets
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Compare Explicit Cursor Fetch
SyntaxesBasic Fetch
Cursor For Loop
Bulk Collect
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Basic Fetch
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Cursor For Loop
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Bulk Collect
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View Result Data in APEX
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Regular Fetch in APEX
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Regular Fetch Chart with Average
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Regular Fetch Chart with Average
and Standard Deviations
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Build a semi-automatic Collection
SystemTables
PL/SQL Package
PL/SQL Triggers
APEX
Test
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Create New User TOPT_PROF
Schema – TOPT_PROF
Owns PL/SQL Profiler Tables
OWNS TOPT_PROF Collection Tables
Owns TOPT_PROF_PKG
Grants EXECUTE on TOPT_PROF_PKG to PUBLIC
NO SELECT, INSERT, UPDATE, DELETE Privileges Granted on TOPT_PROF Tables
Schema Owner GPRO1 owns COMP_REG_BULK and demo table
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Create Collection Tables
TOPT_PROF_COLLECTIONS
TOPT_PROF_BASELINE
TOPT_PROF_VIOLATIONS
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DBMS_SCHEDULER Job
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Create an Issue with the Cursor Query
Alter index BIG_TAB_OWNER_IDX invisible;
Query cannot use index
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TOPT_PROF_APP APEX Application
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APEX FORM on Table
TOPT_PROF_COLLECTIONS
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Regular Fetch Chart of Profiler Runs
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Create Baseline (and Threshold 3 STD.)
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Chart with Baseline and Threshold
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Create an Issue with the Cursor Query
Alter index BIG_TAB_OWNER_IDX invisible;
Query cannot use index
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Chart with Induced Error
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Reporting Threshold Violations
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TO-DO List
Send email notification
Incorporate the Hierarchical Profiler
Clean up and standardize APEX Application
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FINAL THOUGHTSYes we can!!!
www.theoldprotraining.com
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