1Z0-149 Exam Questions & Answers
Oracle Database 19c: Program with PL/SQL • Oracle
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About 1Z0-149 Exam
The 1Z0-149 Oracle Database 19c: Program with PL/SQL certification exam is designed to validate your expertise in developing PL/SQL applications and managing Oracle Database 19c environments. This comprehensive certification covers essential topics including PL/SQL fundamentals, control structures, procedures, functions, packages, triggers, and advanced programming techniques. Candidates will demonstrate proficiency in error handling, cursor management, and performance optimization while working with Oracle's powerful procedural language. The exam is ideal for database developers, system administrators, and IT professionals seeking to enhance their career prospects and prove their technical competency in enterprise database development.
To successfully pass the 1Z0-149 exam, candidates should leverage updated exam dumps and practice tests that mirror the actual test environment and question formats. These study materials provide invaluable insights into real exam scenarios, helping you identify knowledge gaps and build confidence before test day. Practice tests simulate the exact timing and difficulty level of the certification exam, allowing you to refine your test-taking strategies and improve your score. By combining comprehensive study guides with hands-on practice using current exam dumps, you'll strengthen your understanding of PL/SQL concepts and significantly increase your chances of achieving a passing score on your first attempt.
Exam Topics & Objectives
4-Week Study Plan for 1Z0-149
Week 1: Foundations and Basic Programming
- Study declaring PL/SQL variables, constants, and anchored declarations (%TYPE and %ROWTYPE)
- Practice writing executable statements and PL/SQL blocks syntax
- Create 15 practice programs using basic variable declarations and assignments
- Learn writing SQL queries within PL/SQL (SELECT INTO statements)
- Practice implicit cursor usage and SQL%ROWCOUNT, SQL%FOUND attributes
- Complete hands-on labs for DML statements in PL/SQL context
- Study control structures: IF/THEN/ELSIF/ELSE and CASE statements
- Write 10 programs implementing nested IF and CASE logic
- Review scope and visibility rules for variables
- Take Week 1 practice quiz on variables, statements, and basic control flow
Week 2: Cursors, Exceptions, and Composite Data Types
- Study explicit cursor declaration, opening, fetching, and closing
- Practice cursor loops using LOOP, WHILE LOOP, and FOR LOOP with cursors
- Create 12 programs using cursor attributes (ISOPEN, FOUND, NOTFOUND, ROWCOUNT)
- Study parameterized cursors and cursor variable declarations
- Learn PL/SQL exception handling (predefined and user-defined exceptions)
- Practice RAISE, RAISE_APPLICATION_ERROR, and exception propagation
- Write 15 exception handling programs covering multiple scenarios
- Study composite data types: records, tables, and nested tables
- Create programs using %ROWTYPE and record type definitions
- Practice PL/SQL associative arrays and index-by tables
- Complete Week 2 practice exam on cursors and exceptions
Week 3: Subprograms, Procedures, Functions, and Packages
- Study PL/SQL subprogram fundamentals and parameter modes (IN, OUT, INOUT)
- Create 10 procedures with different parameter modes and default values
- Learn procedure invocation and parameter passing mechanisms
- Study functions, return values, and restrictions on function usage
- Write 10 functions for various business logic scenarios
- Practice using functions in SQL statements (context restrictions)
- Study package specification and body structure
- Create 5 complete packages combining procedures and functions
- Learn package initialization blocks and package state
- Study forward declarations and mutual recursion in packages
- Practice overloading procedures and functions within packages
- Complete hands-on labs for all subprogram types
- Take Week 3 cumulative practice exam
Week 4: Advanced Topics, Triggers, and Code Management
- Study dynamic SQL: EXECUTE IMMEDIATE and native dynamic SQL
- Practice building dynamic SQL statements with proper binding
- Write 8 programs using USING clause for parameters and RETURNING clause
- Learn design considerations: code reusability, security, and performance
- Study naming conventions and coding standards for PL/SQL
- Learn compound triggers (BEFORE/AFTER, STATEMENT/ROW level)
- Create 8 different trigger types: DML, DDL, and event triggers
- Practice trigger order, trigger body restrictions, and mutating table issues
- Study the PL/SQL compiler: initialization parameters and optimization
- Learn dependency management and DEPTREE table usage
- Study methods of managing PL/SQL source code and versioning
- Practice using DBMS_UTILITY for dependency analysis
- Complete comprehensive final practice exam covering all 18 topics
- Review weak areas and do final targeted practice sessions
Sample 1Z0-149 Questions
Practice with real exam-style questions. Reveal answers to verify your knowledge.
Examine the SH.PRODUCTS table:
A row exists in SH.PRODUCTS with PDT_ID = 1.
Now, examine this code and output executed by SH:
Now, examine this block of code:
Which error message(s) does it display on execution by user SH?
Examine these statements:
Which two are true? (Choose two.)
Which three are true about the procedure overloading feature? (Choose three.)
Which three statements can process a dynamic multi-row query? (Choose three.)
Which two are true about collections and RECORD types? (Choose two.)
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