SQL for the Mainframe Environment Series

Total Items: 10 Total Time: 21.00 hour(s)

Summary:

SQL is the most widely-used database language.

Acquiring a good working knowledge of SQL is an important skill for anyone who interacts with databases.

Short, focused lessons start with simple data retrieval and progress to complex topics such as using joins, subqueries, stored procedures, and table constraints.

learning segment 1:

Summary:

This learning segment explains the basic structure and uses of databases and how to use the SQL SELECT statement to retrieve data.

Objectives:

• Describe the basics of database structure
• Explain how to use SQL to interact with most database applications
• Use the SELECT statement to retrieve data
• Explain the sorting options available when using the ORDER BY clause

Topics:

• Understanding databases
• Understanding SQL Retrieving data
• Sorting data Sorting options

learning segment 2:

Summary:

This learning segment explains how to filter data from a database with the SQL WHERE clause.

Objectives:

• Use the WHERE clause in a SELECT statement
• Use the AND, OR, IN, and NOT operators in a WHERE clause
• Use the LIKE operator in a WHERE clause
• Use wildcards to create search patterns

Topics:

• Filtering with the WHERE Clause
• Using the WHERE Clause Combining WHERE Clauses
• Using the IN and NOT Operators
• The LIKE Operator and Wildcards Using Wildcards

learning segment 3:

Summary:

This learning segment shows you how to manipulate data returned from a query using calculated fields and functions.

Objectives:

• Concatenate fields in your queries
• Perform mathematical calculations in your queries
• Use text and numeric functions in your queries
• Use date and time functions in your queries

Topics:

• Understanding calculated fields
• Concatenating fields
• Performing mathematical calculations
• Understanding functions
• Using text and numeric functions
• Using date and time functions

learning segment 4:

Summary:

This learning segment explains how to use the SQL aggregate functions to summarize data from database tables.

Objectives:

• Explain the purpose of the SQL aggregate functions
• Use the SUM() and COUNT() functions
• Use the AVG(), MAX(), and MIN() functions
• Use aggregate functions for advanced operations

Topics:

• Aggregate Functions
• Using the SUM() and COUNT() Functions
• The AVG(), MAX(), and MIN() Functions Using Advanced Aggregate Functions

learning segment 5:

Summary:

This learning segment explains how to use the GROUP BY and ORDER BY clauses to sort and group data. It also explains how to use subqueries and combined queries to add more options to retrievals using the SQL SELECT statement.

Objectives:

• Create data groups using the GROUP BY clause Sort and filter grouped data
• Understand and filter subqueries
• Use subqueries as calculated fields
• Create combined queries using UNION

Topics:

• Understanding data grouping
• Creating groups
• Filtering groups
• Grouping and sorting
• Understanding and filtering subqueries
• Using subqueries as calculated fields
• Creating combined queries
• Advanced UNION features

learning segment 6:

Summary:

This learning segment shows you how to access data stored in multiple relational tables by using joins in your queries.

Objectives:

• Query multiple tables using a join
• Use table aliases in your queries
• Perform inner, outer, self, and natural joins
• Use aggregate functions with joins

Topics:

• Understanding joins
• Creating a join
• Joining multiple tables
• Using table aliases Self joins Natural joins Outer joins
• Using joins with aggregate functions

learning segment 7:

Summary:

This learning segment explains how to insert data into existing database tables and then modify or delete that data. It also explains how to create new database tables and modify or delete existing tables.

Objectives:

• Insert rows of data into a database table
• Copy data from one table to another
• Update and delete data from a database table
• Create database tables
• Modify and delete database tables

Topics:

• Inserting Data
• Inserting Partial Rows and Retrieved Data
• Copying from One Table to Another
• Updating Data Deleting Data
• Guidelines for Updating and Deleting Data
• Creating Tables Working with NULL and Default Values
•  Modifying Tables

learning segment 8:

Summary:

This learning segment teaches the learner the use of views in SQL and how views can be used to simplify complex operations. It also provides an overview on the use and creation of stored procedures.

Objectives:

• Explain the makeup of views
• Use views to simplify joins
• Use views to reformat retrieved data
• Use filtering and calculated fields within your views
• Explain the use of stored procedures
• Execute stored procedures
• Describe some of the features involved in creating stored procedures

Topics:

• Understanding views
• Using views to simplify complex joins
• Using views to reformat retrieved data
• Unwanted data and calculated fields
• Understanding stored procedures
• Executing stored procedures
• Creating stored procedures

learning segment 9:

Summary:

This learning segment shows you how to use transaction processing to execute SQL operations in batches. This enables you to prevent processing errors from corrupting the database.

Objectives:

• Explain how transaction processing works in SQL code
• Control transactions
• Explain how cursors are used to save SQL results
• Declare and use cursors in your SQL code

Topics:

• Understanding transaction processing
• Controlling transactions Setting savepoints
• Understanding cursors Working with cursors

learning segment 10:

Summary:

This learning segment explains the use of constraints in databases. The user will learn about primary and foreign keys, and unique and check constraints. The user will also learn about the use of indexes and triggers within databases. Finally, the user will receive an overview of the tools used to manage database security.

Objectives:

• Explain the use of database constraints
• Define primary and foreign keys
• Describe the use of unique and check constraints
• Explain the function of database indexes
• Describe the function of triggers
• Identify the tools used in database security

Topics:

• Understanding constraints
• Primary and foreign keys
• Unique and check constraints
• Understanding indexes
• Understanding triggers
• Database security

Features:

• Flash and audio provide animated, interactive Lesson Introductions, Activities, and Simulations.
• Activities allow learners to apply course concepts in an interactive questioning environment.
• Exercises allow learners to practice in the actual application being studied.
• Supplied sample files include sample documents, application files, programs, and programming code that enable learners to practice with these files, enhancing the learning experience.
• A Course Topics list contains active hyperlinks, permitting quick access to specific topics.
• Find-A-Word allows learners to look up an unfamiliar term in the Glossary, on the Web, or in a dictionary.
• In addition, it lets them find other occurrences of the term in the same course.
• Search text enables learners to rapidly search all text within a course to easily retrieve information required.
• Courses challenge the learner with a variety of question formats, including multi-step simulations, true/false, multiple choice, and fill-in-the-blank.
• A skill assessment generates a customized learning path based on the results of a pre-test.
• A glossary provides a reference for definitions of unfamiliar terms.
• Bookmarking tracks the learner's progress in a course.

Technical Requirements:

P500+ Processor, 128MB of RAM; Windows 2000, 2003, XP, Minimum screen resolution 800x600, Internet Explorer 5.5 or higher; Windows Media Player 9.0 or higher; Flash 8.0 or higher; 56K minimum connection; broadband (256 kpbs or higher) connection recommended; Cookies enabled; Sound card with speakers or headphones strongly recommended.