Oracle DBA 12c SQL Fundamentals
With Oracle Database 12c: SQL Fundamentals, you experience the benefits of an Oracle Database that is re-engineered for Cloud computing. Multitenant architecture brings enterprises unprecedented hardware and software efficiencies, performance and manageability benefits, and fast and efficient Cloud provisioning.
Oracle Database 12c: SQL Fundamentals certifications emphasize the full set of skills that DBAs need in today’s competitive marketplace.
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Introduction
- Describe the features of Oracle Database 12c
- Describe the salient features of Oracle Cloud 12c
- Explain the theoretical and physical aspects of a relational database
- Describe Oracle server’s implementation of RDBMS and object relational database management system (ORDBMS)
Retrieving Data using the SQL SELECT Statement
- Explain the capabilities of SQL SELECT statements
- Execute a basic SELECT statement
Restricting and Sorting Data
- Limit the rows that are retrieved by a query
- Sort the rows that are retrieved by a query
- Use ampersand substitution to restrict and sort output at runtime
Using Single-Row Functions to Customize Output
- Describe various types of functions available in SQL
- Use character, number, and date functions in SELECT statements
Using Conversion Functions and Conditional Expressions
- Describe various types of conversion functions that are available in SQL
- Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
- Apply conditional expressions in a SELECT statement
Reporting Aggregated Data Using the Group Functions
- Identify the available group functions
- Describe the use of group functions
- Group data by using the GROUP BY clause
- Include or exclude grouped rows by using the HAVING clause
Displaying Data From Multiple Tables Using Joins
- Write SELECT statements to access data from more than one table using equijoins and nonequijoins
- Join a table to itself by using a self-join
- View data that generally does not meet a join condition by using OUTER joins
- Generate a Cartesian product of all rows from two or more tables
Using Subqueries to Solve Queries
- Define subqueries
- Describe the types of problems that the subqueries can solve
- Describe the types of subqueries
- Write single-row and multiple-row subqueries
- Using the SET Operators
- Describe set operators
- Use a set operator to combine multiple queries into a single query
- Control the order of rows returned
Managing Tables using DML statements
- Truncate data
- Insert rows into a table
- Update rows in a table
- Delete rows from a table
- Control transactions
Introduction to Data Definition Language
- Categorize the main database objects
- Explain the table structure
- Describe the data types that are available for columns
- Create a simple table
- Explain how constraints are created at the time of table creation
- Describe how schema objects work
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Job Interview Preparation (Soft Skills Questions & Answers)
- Tough Open-Ended Job Interview Questions
- What to Wear for Best Job Interview Attire
- Job Interview Question- What are You Passionate About?
- How to Prepare for a Job Promotion Interview
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