Oracle Database 12c SQL 1Z0–071 Exam Question & Answer
Exam 1Z0–071: Oracle Database 12c SQL
The exam Oracle Database 12c SQL, of code IZ0–071 is conducted by the Oracle University. This exam is immensely popular because it lead to the attainment of associate level certification in Oracle Database 11g Administration, Oracle Database 12c SQL, and Oracle PL/SQL Developing. The exam will be of 100 minutes, and will consist of a total of 73 multiple choice questions. The candidates need to score 63% or above in order to be eligible for the attainment of the certification.
Following are the exam topics which the candidates need to prepare thoroughly:
Fundamental and Rudimentary Concepts of Oracle and SQL (Structure Query Language):
Database and SQL (Structure Query Language) relationships, DDL (Data Definition Language) features, ERD and Relational Database connections, and DML (Data Manipulation Language) purposes, must be on the prospective candidates’ fingertips.
Managing and Organizing Data:
Being familiar with the features of, and being able to use ampersand substitutions to sort outputs at runtime, row limiting clause, Order By cause to sort SQL query results is required for this portion of the exam.
Using Single-row Functions to Customize the Output:
The test takers must be proficient in applying the various function of Structure Query Language including number, character, data, analytics (LAG, STDDEV, PERCENTILE_CONT, and LEAD) alongside utilizing effectively the SELECT statements.
Deployment of Conversion Functions and Conditional Expressions:
To be able to solve the questions of this section, the candidates must have extensive knowledge about the conversion functions and conditional expressions. The ones that the candidates need to pay heed to are TO_DATA, TO_CHAR, TO_NUMBER, SELECT, and other general functions.
Reporting Aggregate Data by Employing Group Functions:
In this section, the test takers will have to prove their grasp over Group Function and combination of data, for they will be assessed on the GROUP BY clause, and the use of HAVING clause to include and exclude rows.
Usage of Sub Queries and Demonstration of Data from Multiple Tables:
Test takers must be able to run sub queries within queries, keeping in regard the appropriate operators and clauses. They also need to be able to access data by utilizing self-join, equijoins, and non-equijoins.
Utilization of DDL Statements, Set Operators and Controller Access:
Being able to manipulate data by the use of set operators, structure table and design objects by giving DDL statements, and controlling user access, the candidates will be able to score the marks which are allocates to this section.
Primarily, it is advised that the pupils sit for this exam after having gained a few years’ worth of on-the-job experience. If the candidates feel that their practical experience has not prepared tem enough for the exam, they can purchase brain dumps and study guides, or get themselves registered for Oracle authorized training programs.