Oracle Database 12c SQL – Exam 1z0-071; Details and guidelines for preparation
Oracle provides the opportunity for the professional working in the field of Oracle Database of all versions, to excel their career further by validating their technical skill set and fundamental knowledge. This will enhance their profile credential and make their growth certain and bright.
Exam 1Z0-071 Information:
This article will be considered as a platform for discussing the required and important details and guideline for the Oracle Database 12c SQL – Exam 1Z0-071. The related certifications which are valid against this exams are Oracle PL/SQL Developer Certified Associate ,Oracle Database 12c SQL Certified Associate ,Oracle Database 11g Administrator Certified Associate. This exam basically badges you with the Oracle Certified Associate which is the entry level in the path of its type. Oracle has offered this exam in English language and the format of the test is consist of multiple choice questions. You are supposed to complete the 73 questions in a total time of 100 minutes. On achieving the minimum of 63% of the total marks, you will be considered successful.
Registration Process 1z0-071 Exam:
The process for the registration of 1Z0-071 exam is quite simple and free from any ambiguity. First of all, you need to purchase your exam voucher from the official website of Oracle which will enable you to pay the required fee for the exam. After this, the test center has to be selected. You have to check for the nearest Pearson VUE center in your area and apply for the feasible exam appointment.
Topics included in the exam are:
- Oracle and Structured Query Language (SQL)
Identifying the connection between an ERD and a Relational Database, a database and SQL. Describing the purposes of Data Definition Language and Data Modeling Language. Understanding how to build a select statement to get all data from databases tables.
- Restricting and Sorting Data
Discussing the usage of ORDER BY clause to sort SQL query results, how to limit the rows retrieved by query also sing ampersand substitution to restrict and sort output at runtime. Learning to use SQL row limiting clause.
- Using Single-Row Functions to Customize Output
Understanding the various types of functions available in SQL. Understanding the usage of character, number, and date and analytical (PERCENTILE_CONT, STDDEV, LAG, LEAD) functions in SELECT statements.
- Using Conversion Functions and Conditional Expressions
Describe various types of conversion functions that are available in SQL, TO_CHAR, TO_NUMBER, and TO_DATE conversion functions. The concept of general functions application and conditional expressions in a SELECT statement.
- Reporting Aggregated Data Using the Group Functions
Discussing the usage of group functions, GROUP BY clause usage to group the data, include or exclude grouped rows by using the HAVING clause.
- Displaying Data from Multiple Tables
Defining different types of joins and their features, the method to extract data from different tables using SELECT statements, the concept of using equijoins and non-equijoins. Describe how to join a table to itself by using a self-join. Fetch and view data that generally does not meet a join condition by using outer joins
- Using Subqueries to Solve Queries
Define sub-queries, types of problems sub-queries can solve. All the types of subqueries can be used to fetch non-matching data and query data using correlated sub-queries. Learn the code to update and delete rows using correlated sub-queries, implementing EXISTS and NOT EXISTS operators, the WITH clause. Using single-row and multiple-row subqueries.
- Set Operators
Describe set operators. How to use a set operator to combine multiple queries into a single query and how to control the order of rows returned
- Data Manipulation
Describing the query for truncating data. Writing the query for inserting rows into a table, updating rows in a table, deleting rows from a table and controlling the transactions.
- Using DDL Statements to Create and Manage Tables
Describing the data types that are available for columns. Starting with the creation of a simple table, learning queries and concepts for writing constraints for tables, drop columns and set column UNUSED. Mentioning the ways to create and use external tables
- Managing Objects with Data Dictionary Views
How to use query various data dictionary views
- Controlling User Access
Differentiate system privileges from object privileges and how to grant privileges on tables and on a user. Also distinguishing between privileges and roles.
- Managing Schema Objects
Describing the concept of schema objects. Discussing the methods to create simple and complex views with visible/invisible columns, maintain and use sequences, create and maintain indexes including invisible indexes and multiple indexes on the same columns and the tasks to perform flashback operations
- Manipulating Large Data Sets
Describe the features of multi-table INSERTs and merging rows in a table
Additional training and courses:
Along with the above-mentioned topics for exam preparation, you are suggested to complete the supported training course of Oracle Database 12c: Introduction to SQL. It will help you in the preparation and increase your command on the technical aspects of the exam.
How to prepare 1z0-071 Exam?