介绍
- java.sql.ResultSetMetaData
- public interface ResultSetMetaData extends Wrapper
- 结果集的元数据
API
常量
- columnNoNulls : 0
- columnNullable : 1
- columnNullableUnknown : 2
public
-
getColumnCount
- 返回当前 ResultSet 对象中的列数
-
getColumnDisplaySize
- 返回给定列序号的最大宽度
-
getColumnLabel
- 返回该列所建议的名称
-
getColumnName
- 返回指定的列序号所对应的列名
-
getCatalogName
-
getColumnClassName
-
getColumnType
-
getColumnTypeName
-
getPrecision
-
getScale
-
getSchemaName
-
getTableName
-
isAutoIncrement
-
isCaseSensitive
-
isCurrency
-
isDefinitelyWritable
-
isNullable
-
isReadOnly
-
isSearchable
-
isSigned
-
isWritable
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