Oracle's 1Z0-051

1Z0-051 Course/Exam Objectives

• Chapter 1: Retrieving Data Using the SQL SELECT Statement
  • List the capabilities of SQL SELECT statements
  • Execute a basic SELECT statement
• Chapter 2: 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
• Chapter 3: Using Single-Row Functions to Customize Output
  • Describe various types of functions available in SQL
  • Use character, number, and date functions in SELECT statements
• Chapter 4: 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
• Chapter 5: 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
• Chapter 6: Displaying Data from Multiple Tables
  • Write SELECT statements to access data from more than one table using equijoins and non-equijoins
  • 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
• Chapter 7: Using Subqueries to Solve Queries
  • Define subqueries
  • Describe the types of problems that the subqueries can solve
  • List the types of subqueries
  • Write single-row and multiple-row subqueries
• Chapter 8: 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
• Chapter 9: Manipulating Data
  • Describe each data manipulation language (DML) statement
  • Insert rows into a table
  • Update rows in a table
  • Delete rows from a table
  • Control transactions
• Chapter 10: Using DDL Statements to Create and Manage Tables
  • Categorize the main database objects
  • Review the table structure
  • List 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
• Chapter 11: Creating Other Schema Objects
  • Create simple and complex views
  • Retrieve data from views
  • Create, maintain, and use sequences
  • Create and maintain indexes
  • Create private and public synonyms

Career Prospects

An Oracle 11g DBA OCA certified professionalhas several career opportunities open up to them, including:

• Application Developer
• PL/SQL Developer
• Forms Developer
• Database Administrator
• System Analyst
• Business Analyst
• Data Warehouse Administrator

1Z0-051 Exam FAQ's