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Oracle 1Z0-149 certification exam is an essential step for individuals who want to demonstrate their proficiency in programming with PL/SQL using Oracle Database 19c. It is a globally recognized certification that can help individuals advance their careers in the database development and administration field. Proper preparation, including hands-on experience and training, can help individuals pass the exam with ease.
Oracle 1Z0-149 exam consists of 80 multiple-choice questions and is 120 minutes in length. 1Z0-149 exam is computer-based and can be taken at a Pearson VUE testing center or from the comfort of your own home or office with the online proctored exam option. Candidates must achieve a passing score of 63% or higher to earn the Oracle PL/SQL Developer Certified Associate (OCA) certification.
Reference: https://education.oracle.com/oracle-database-19c-program-with-pl-sql/pexam_1Z0-149
Oracle 1Z0-149 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Writing Executable Statements | 10% | - Implicit and explicit data type conversion - Lexical units in PL/SQL blocks - SQL functions and sequences in PL/SQL - Nested blocks and variable scoping |
| Declaring PL/SQL Variables | 10% | - Variables, initialization, and bind variables - Data types, %TYPE and %ROWTYPE attributes - Valid and invalid identifiers |
| Handling Exceptions | 8% | - Exception propagation and handling - Predefined exceptions - User-defined exceptions |
| Writing Control Structures | 10% | - Iterative and loop statements - Sequential control - Conditional statements |
| Using Explicit Cursors | 10% | - Cursor variables - Cursor attributes and FOR loops - Implicit vs explicit cursors |
| Managing PL/SQL Code | 8% | - Performance optimizations: BULK COLLECT, FORALL - Conditional compilation - Dependency tracking and management - ACCESSIBLE BY clause and access control |
| Creating Procedures and Functions | 12% | - Creation and invocation of subprograms - Function return types and usage - Parameter modes: IN, OUT, IN OUT |
| Working with Packages | 12% | - Overloading subprograms - Package specification and body - Package variables, constants, and cursors |
| Creating Triggers | 8% | - Trigger restrictions and ordering - DDL and system event triggers - DML and INSTEAD OF triggers |
| Writing SQL in PL/SQL | 12% | - SELECT ... INTO clause usage - Record types, %ROWTYPE, and collections - DML and transaction control statements |
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