18) DECIMAL specifies the data type exact numeric, with the decimal scale specified by the <scale> and the implementation-defined decimal precision equal to or greater than the value of the specified <precision>. Conclusion The SQL DECIMAL data type is part of the SQL standard and is implement...
DECIMAL 支持固定精度和比例 TINYINT SMALLINT INTEGER BIGINT FLOAT DOUBLE DATE TIME 仅支持0位精度 TIMESTAMP TIMESTAMP_LTZ 仅支持月和秒的间隔 ARRAY MULTISET MAP ROW RAW Structured types 仅在用户定义函数中暴露 字符串类型 CHAR CHAR是一个定长字符字符串的数据类型。 声明方式: SQL:...
DECIMAL -10^38 + 1 10^38 - 1 NUMERIC -10^38 + 1 10^38 - 1 FLOAT -1.79E+308 1.79E+308 REAL -3.40E+38 3.40E+38 SQL Date and Time Data Types Data TypeDescription DATE Stores date in the format YYYY-MM-DD TIME Stores time in the format HH:MI:SS DATETIME Stores date and time...
Wherenis the number of bits that are used to store the mantissa of thefloatnumber in scientific notation and, therefore, dictates the precision and storage size. Ifnis specified, it must be a value between1and53. The default value ofnis53. Decimal and Numeric Numeric data types that have f...
Example : A table using numeric data types -- Creating a new table named "test" in the current schema CREATE TABLE test ( -- Defining a column named "id" of the DECIMAL data type, designated as the PRIMARY KEY id DECIMAL PRIMARY KEY, ...
Decimal and Numeric Numeric data types that have fixed precision and scale. [(p[,s])] andnumeric[(p[,s])] aredecanddec(p,s).numericis functionally equivalent todecimal. (scale) . Scale can be specified only if precision is specified. The default scale is 0; therefore, 0 <=s<=p....
DECIMAL -10^38 + 1 10^38 - 1 NUMERIC -10^38 + 1 10^38 - 1 FLOAT -1.79E+308 1.79E+308 REAL -3.40E+38 3.40E+38 SQL Date and Time Data Types Data TypeDescription DATE Stores date in the format YYYY-MM-DD TIME Stores time in the format HH:MI:SS DATETIME Stores date and time...
Decimal数据类型可以在Visual Studio编辑器中使用,只要在一个浮点类型的值后加一个大写或小写的M,则编辑器会认为这个浮点类型的值是一个Decimal类型。这种128位高精度十进制数表示法通常用在财务计算中。要注意的是,在.NET环境中,计算该类型的值会有性能上的损失,因为它不是基本类型。 decimal[ (p[ , s] )] ...
1,decimal 数据类型需要分别指定小数数值的最大位数(p)和小数位的数量(s),decimal 和 numeric 是等价的。 Numeric data types that have fixed precision and scale. decimal [(p[,s])] Fixed precision and scale numbers. When maximum precision is used, valid values are from - 10^38 +1 through 10...
DECIMAL(x, y)can store decimal number of totalxdigits (max up to65) of whichydigits (max up to30) are allocated after the decimal point String Data Types Data TypeDescription CHAR(x)can store characters of fixed length (max8000characters) ...