Αποτελέσματα Αναζήτησης
This chapter contains a basic introduction to Db2 SQL. It also has numerous examples illustrating how to use this language to answer particular business problems. However, it is not meant to be a definitive guide to the language. Please refer to the relevant IBM manuals for a more detailed description.
The db2tutorial.com website provides a comprehensive Db2 tutorial that includes practical examples and many hands-on activities. Once you complete the entire tutorial, you will be able to: Have a local Db2 database server to work with. Interact with data in the Db2 database using SQL statements.
The following examples illustrate the select-statement query. Example 1: Select all columns and rows from the EMPLOYEE table. SELECT * FROM EMPLOYEE. Example 2: Select the project name (PROJNAME), start date (PRSTDATE), and end date (PRENDATE) from the PROJECT table.
Example of a simple stored procedure. When an application that runs on a workstation calls a stored procedure on a Db2 server, the stored procedure updates a table based on the information that it receives from the application.
An inner join combines records from two tables based on a join predicate and requires that each record in the first table has a matching record in the second table. Thus, it returns only records from both joined tables that satisfy the join condition.
This tutorial shows you step by step how to install SQL Developer and use it to connect interact with the DB2 database server.
DB2 tutorials. To view the tutorial, click the title. Set up a DB2 database to store XML data and to perform basic operations with the native XML data store. Analyze, optimize, and tune SQL statements for better performance using Visual Explain.
