问data_precision和data_scale在甲骨文all_tab_columns中的缺失EN在进行 Oracle 数据抽取（例如基于 LogMi...
DATA_SCALE NUMBER Y Digits to right of decimal point in a number/*小数点位数*/ NULLABLEVARCHAR2(1) Y Does column allow NULL values? COLUMN_ID NUMBER Y Sequence number of the column as created DEFAULT_LENGTH NUMBER Y Length of default value for the column DATA_DEFAULT LONG Y Default value...
When adding a numeric field to a file or personal geodatabase attribute table, 'precision' refers to the number of significant digits that can be stored in a field, and 'scale' represe
OceanBase 数据库中 Number 类型在建表时未指定精度,会将这列数据的数据类型读成Decimal(171,147),precision 是 171,scale 是 147。 以下例子以 OceanBase 数据库 V3.2.3 BP Hotfix4 (oceanbase-3.2.3.3-106040022022122222) 版本和 OceanBase Connector/J V2.4.3 版本为例进行说明。 在IDE 软件中创建测试 Test...
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Quick BI数据集设置了加速抽取,图表还是从数据库直连查询,报错“Code: 42. DB::Exception: Decimal data type family must have exactly two arguments: precision and scale”。 【问题描述】 Quick BI数据集设置了加速抽取,图表还是从数据库直连查询。计算字段如下:...
DataType has 3 values for things like length, precision, scale. We can check whether a given data type supports these attributes using: DataType.hasLength() (string types and binary types) DataType.hasPrecision() (decimal types, time, an...
However, if I do the right thing and scale the input samples to the target data precision, then the lossless JPEG size grows with the data precision. Am I missing something? It seems as if the point transform is the only way to make what you said true. SimonSegerblomRex commented on ...
因为梯度保存为fp16,可能存在梯度下溢的问题,为了解决梯度过小的问题,则对计算出来的loss进行scale,由于链式法则的存在,scale会作用在梯度上。这样,在反向计算.backward()时进行scale,在优化器更新.step()时进行unscale。 通常初值设置为一个较大的值,如在Megatron中,其根据梯度的溢出情况来动态调整scale,如果遇到梯...
private static void AddSqlParameter(SqlCommand command) { SqlParameter parameter = new SqlParameter("@Price", SqlDbType.Decimal); parameter.Value = 3.1416; parameter.Precision = 8; parameter.Scale = 4; command.Parameters.Add(parameter); } 注解 属性Precision 由为SqlDbType 的参数 Decimal使用。 无...