Oracle does not have a mechanism by which you directly change column names. But this workaround is quick and efficient. Consider TableA: COLUMN_1 NUMBERCOLUMN_2 VARCHAR2(500)COLUMN_3 DATE You want to change
To take advantage of the power of XMLSchema in a SAX or DOM application, you simply have to set two properties. In JAXP 1.3, use the javax.xml.validation package. The two
When you execute a new query and populate an existing dataset, the newly retrieved records are appended to the existing records in the dataset. If you wish to remove the
While multiple inheritance is an extremely useful feature?escpecially in large scale software, it can also lead to a problem known as the DDD, or “Dreadful Diamond on Derivation,” or simply
Here are three quick ways to determine a computer’s name: Type Hostname in the Command Prompt, then press the Enter key. Press the Windows and Pause keys to bring up
ow many times have you seen this scenario: SQL Server developers understand business rules, yet when they try to use triggers and constraints to implement them the database ends up