derby支持的数据类型

 

Data types

 

This section describes the data types used in Derby.

 

• Built-In type overview
• Numeric types
• Data type assignments and comparison, sorting, and ordering
• BIGINT data type
• BLOB data type
• BOOLEAN data type
• CHAR data type
• CHAR FOR BIT DATA data type
• CLOB data type
• DATE data type
• DECIMAL data type
• DOUBLE data type
• DOUBLE PRECISION data type
• FLOAT data type
• INTEGER data type
• LONG VARCHAR data type
• LONG VARCHAR FOR BIT DATA data type
• NUMERIC data type
• REAL data type
• SMALLINT data type
• TIME data type
• TIMESTAMP data type
• User-defined types
• VARCHAR data type
• VARCHAR FOR BIT DATA data type
• XML data type
  The XML data type is used for Extensible Markup Language (XML) documents.

Parent topic: SQL language reference

Related concepts

SQL identifiers

Statements

Built-in system functions

Built-in system procedures

Related reference

Capitalization and special characters

SQL clauses

SQL expressions

JOIN operations

SQL queries

Built-in functions

SYSCS_DIAG diagnostic tables and functions

 

原文：http://db.apache.org/derby/docs/10.10/ref/crefsqlj31068.html

官方文档所在截图：

至于网上那篇文章，我不知道是否正确，给出其中一篇文章地址：http://blog.csdn.net/wyi23/article/details/2278309