PL/SQL Managing Dependencies Notes

1.     Introduction to Dependency Management in Oracle

2.     Types of Dependencies in Oracle Database

o   Object Dependencies (Tables, Views, Packages, Procedures, etc.)

o   Data Dependencies (Foreign Keys, Referential Integrity)

3.     Identifying Dependencies Using Data Dictionary Views

o   USER_DEPENDENCIES, ALL_DEPENDENCIES, DBA_DEPENDENCIES

o   USER_OBJECTS, ALL_OBJECTS

4.     Managing Dependencies in PL/SQL Packages

o   Managing Package Specifications and Bodies

o   Handling Dependencies in Package Variables

5.     Dependency Tracking with Oracle Compiler

o   Automatic Dependency Tracking

o   Handling Invalid and Invalidated Objects

6.     Recompiling Dependent Objects

o   Manual Recompilation of Dependent Objects

o   Using ALTER PROCEDURE/FUNCTION/PACKAGE RECOMPILE

7.     Managing Dependencies in Triggers

o   Managing Trigger Dependencies on Tables and Views

o   Dependencies Between Triggered Actions and Other Objects

8.     Dependency Management in Database Links

o   Dependencies Between Local and Remote Objects

o   Handling Schema Changes in Remote Databases

9.     Managing Dependencies in Views and Materialized Views

o   Dependencies Between Views and Base Tables

o   Refreshing Materialized Views and Managing Dependencies

10.  Handling Circular Dependencies

o   Identifying Circular Dependencies in Database Objects

o   Resolving Circular Dependencies Between Procedures, Packages, and Views

11.  Handling Dependencies Between Tables (Foreign Keys)

o   Referential Integrity and Cascading Effects

o   Enabling and Disabling Foreign Key Constraints

12.  Managing Dependencies in Stored Procedures and Functions

o   Managing Dependencies Between Functions, Procedures, and Other Database Objects

o   Avoiding Hardcoded Dependencies

13.  Dependency Management with Oracle Scheduler

o   Managing Job Dependencies in Oracle Scheduler

o   Triggering Jobs Based on Dependencies

14.  Oracle Dependency Management in Multi-Schema Environments

o   Managing Cross-Schema Dependencies

o   Ensuring Consistency in Multi-Schema Objects

15.  Tracking and Managing Object Dependencies in SQL Scripts

o   Using Scripts to Track Object Dependencies

o   Automating Dependency Management with SQL Queries

16.  Oracle Dependency Management Tools

o   Using Oracle's DBMS_UTILITY.compile_schema for Dependency Management

o   Third-Party Tools for Dependency Analysis (e.g., TOAD, Oracle SQL Developer)

17.  PL/SQL and Dependency Management Best Practices

o   Designing for Minimal Dependencies in PL/SQL Code

o   Avoiding Overuse of Package-Level Dependencies

18.  Automating Dependency Management

o   Using Triggers to Track Dependencies Automatically

o   Automating Dependency Check During Deployments

19.  Managing Dependency with Oracle Data Guard

o   Managing Object Dependencies in Standby Databases

o   Synchronizing Objects Between Primary and Standby Systems

20.  Dependency Management in Oracle APEX Applications

o   Handling Dependencies Between APEX Components

o   Managing Dependencies in APEX Web and Database Objects

21.  Using Dependency Information in Performance Tuning

o   Identifying Dependencies that Impact Query Performance

o   Optimizing Execution Plans for Dependent Objects

22.  Dependency Management with Oracle Application Express (APEX)

o   Managing Dependencies Between APEX Applications and Database Objects

o   Handling APEX Dependencies During Code Deployment

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