Formation : SQL Programming Language: A Comprehensive Hands-On Introduction
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LEARNING TREE INTERNATIONAL
- Renseignements :
- Durée : 3 Jours
- Type : En centre
- Diplômant : Oui
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Prix H.T. € :2250.00
- Objectifs :
- You Will Learn How To
Write SQL code based on ANSI/ISO standards to build and maintain database structures
Update database content with SQL and transaction handling
Retrieve data from single or multiple tables
Process data with row and aggregate functions
Manipulate data with correlated and non-correlated subqueries
Apply views to break down problems and enhance security
- Public visé :
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SQL forms the cornerstone of all relational database operations. The ability to write the SQL language is essential for those who develop database applications. This course provides a solid foundation of the SQL programming language that enables you to build, query and manipulate databases. Working in Oracle 10g or SQL Server throughout this course, you compare the ANSI/ISO standard with the SQL implementations of these two common database products.
- SQL Overview
Outlining the importance of SQL as the cornerstone of all database activity
Applying the ANSI/ISO standards
Describing the fundamental building blocks: tables, columns, primary keys and foreign keys
Defining terminology
Building the Database Schema
Creating tables and columns
Comparing data types across platforms
Building tables with CREATE TABLE
Modifying table structure with ALTER TABLE
Adding columns to an existing table
Increasing column size
Removing tables with DROP TABLE
Protecting data integrity with constraints
Defining constraint types
Guaranteeing uniqueness with primary key constraints
Enforcing referential integrity with foreign key constraints
Imposing business rules with check constraints
Enabling and disabling constraints
Removing constraints with ALTER TABLE
Improving performance with indexes
Expediting data retrieval with indexes
Recommending guidelines for index creation
Manipulating Data
Modifying table contents
Adding table rows with INSERT
Changing row content with UPDATE
Removing rows with DELETE
Applying transactions
Atomic Consistent Isolated Durable (ACID) rules
Controlling transactions with COMMIT and ROLLBACK
Writing Single Table Queries
Retrieving data with SELECT
Including columns and expressions in query results
Restricting rows with the WHERE filter
Sorting the result with ORDER BY
Handling NULL values in expressions
Avoiding NULL value pitfalls in filter conditions
Querying Multiple Tables
Applying the ANSI/ISO standard join syntax
Matching related rows with INNER JOIN
Including non-matched rows with OUTER JOIN
Creating a Cartesian product with CROSS JOIN
Joining a table to itself
Combining results with set operators
Stacking results with UNION
Identifying matching rows with INTERSECT
Utilizing EXCEPT to find non-matching rows
Employing Functions in Data Retrieval
Processing data with row functions
Solving mathematical problems with functions
Manipulating text strings
Converting date/time presentation
Conditional formatting with the CASE expression
Utilizing the CASE expression to simulate IF tests
Dealing with NULL values
Performing analysis with aggregate functions
Summarizing data using SUM, AVG and COUNT
Finding the highest and lowest values with MAX and MIN
Defining the summary level with GROUP BY
Applying filter conditions with HAVING
Constructing Nested Queries
Applying subqueries in filter conditions
Correlated vs. non-correlated subqueries
Embedding subqueries in several levels
Testing the existence of rows
Single row vs. multirow subqueries
Including subqueries in expressions
Placing subqueries in the column list
Creating complex expressions containing subqueries
Handling subqueries that return no rows
Developing In-Line and Stored Views
Breaking down complex problems
Selecting data from a query result set
Subqueries in the FROM clause
Creating views in a database
Building reusable code
Refining user access privileges
21/01/2009 au 23/01/2009 ()
22/10/2008 au 24/10/2008 ()
