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Oracle 1Z0-148 is a new certification exam regarding Oracle Database. It is intended for the application developers and database administrators who have fundamental knowledge of PL/SQL and SQL.
The exam is known as Oracle DB: Advanced PL/SQL and is meant to validate that the database administrators and application developers know how to use the complex features of PL/SQL in designing and adjust PL/SQL to interface databases among applications. The 1Z0-148 test is an Oracle certification exam that an individual must pass to earn the Oracle DB PL/SQL Developer Certified Professional credential.
Before the release of the 1Z0-148 exam on June, 2018, the candidates took the old version of the test. The new Oracle 1Z0-148 test is an improved version. One of its main purposes is to support a more streamlined modern exam release cycle. The exam is not limited with any particular version or edition of Oracle Database. It supports both Oracle Database 11g and Oracle Database 12c. There are 75 questions in the test. The exam time is 110 minutes. To pass the exam, one needs to score 62%.
Oracle 1z1-148 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Working with Collections | - Create and manage nested tables, varrays, associative arrays |
| Performance and Caching | - Optimize PL/SQL performance, result caching and parallel execution |
| Advanced Interface Methods | - Execute external C programs and Java programs from PL/SQL |
| Designing PL/SQL Code | - Guidelines for cursor design and use of cursor variables - Use of DBMS_SQL functions and advanced constructs |
| Security and Code Robustness | - Implement error handling and mitigate SQL injection |
| Manipulating Large Objects (LOBs) | - Create and maintain LOB data types and use DBMS_LOB |
| Analyzing and Profiling PL/SQL Code | - Trace and profile code using supplied packages |




