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Reference: https://education.oracle.com/oracle-database-19c-program-with-pl-sql/pexam_1Z0-149
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Oracle 1Z0-149 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Writing Executable Statements | 10% | - SQL functions and sequences in PL/SQL
- Nested blocks and variable scoping
- Lexical units in PL/SQL blocks
- Implicit and explicit data type conversion
|
| Creating Procedures and Functions | 12% | - Parameter modes: IN, OUT, IN OUT
- Creation and invocation of subprograms
- Function return types and usage
|
| Writing Control Structures | 10% | - Iterative and loop statements
- Sequential control
- Conditional statements
|
| Writing SQL in PL/SQL | 12% | - Record types, %ROWTYPE, and collections
- DML and transaction control statements
- SELECT ... INTO clause usage
|
| Using Explicit Cursors | 10% | - Cursor attributes and FOR loops
- Cursor variables
- Implicit vs explicit cursors
|
| Managing PL/SQL Code | 8% | - Dependency tracking and management
- Performance optimizations: BULK COLLECT, FORALL
- Conditional compilation
- ACCESSIBLE BY clause and access control
|
| Handling Exceptions | 8% | - Predefined exceptions
- Exception propagation and handling
- User-defined exceptions
|
| Working with Packages | 12% | - Overloading subprograms
- Package specification and body
- Package variables, constants, and cursors
|
| Creating Triggers | 8% | - DDL and system event triggers
- Trigger restrictions and ordering
- DML and INSTEAD OF triggers
|
| Declaring PL/SQL Variables | 10% | - Data types, %TYPE and %ROWTYPE attributes
- Valid and invalid identifiers
- Variables, initialization, and bind variables
|