获得某列的数据类型（DataType）等信息
2011-04-03 21:30
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SELECT
TABLE_CATALOG AS [Database],
TABLE_SCHEMA AS Owner,
TABLE_NAME AS TableName,
COLUMN_NAME AS ColumnName,
ORDINAL_POSITION AS OrdinalPosition,
COLUMN_DEFAULT AS DefaultSetting,
IS_NULLABLE AS IsNullable,
DATA_TYPE AS DataType,
CHARACTER_MAXIMUM_LENGTH AS MaxLength,
DATETIME_PRECISION AS DatePrecision,
COLUMNPROPERTY(object_id(TABLE_NAME), COLUMN_NAME, 'IsIdentity') as IsIdentity
FROM INFORMATION_SCHEMA.COLUMNS
WHERE (TABLE_NAME = '表名') and COLUMN_NAME='列名'
TABLE_CATALOG AS [Database],
TABLE_SCHEMA AS Owner,
TABLE_NAME AS TableName,
COLUMN_NAME AS ColumnName,
ORDINAL_POSITION AS OrdinalPosition,
COLUMN_DEFAULT AS DefaultSetting,
IS_NULLABLE AS IsNullable,
DATA_TYPE AS DataType,
CHARACTER_MAXIMUM_LENGTH AS MaxLength,
DATETIME_PRECISION AS DatePrecision,
COLUMNPROPERTY(object_id(TABLE_NAME), COLUMN_NAME, 'IsIdentity') as IsIdentity
FROM INFORMATION_SCHEMA.COLUMNS
WHERE (TABLE_NAME = '表名') and COLUMN_NAME='列名'
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