Oracle 11g SQL Fundamentals I Exam Prep 1Z0-051

Retrieving Data Using the SQL SELECT Statement

• List 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 SQLL.
• 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

• 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.
• Generate a Cartesian product of all rows from two or more tables.

Displaying Data from Multiple Tables

• 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.
• 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 .
• List 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.

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.

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.

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.