INT INT NOT NULL INTERVAL DAY TO SECOND(3) ROW, myOtherField TIMESTAMP(3)> 下面是所有预定义数据类型的列表。 Table API中的数据类型 Java/Scala 在基于JVM的API中,用户在Table API中使用org.apache.flink.table.types.DataType的实例,或者在定义连接器、目录
sqlDataType 类型:Microsoft.SqlServer.Management.Smo.SqlDataType ASqlDataTypeobject value that specifies the SQL Server data type. precision 类型:System.Int32 AnInt32value that specifies the precision for numeric SQL Server data types. scale
Numeric Data Types Data typeDescription BIT(size)A bit-value type. The number of bits per value is specified insize. Thesizeparameter can hold a value from 1 to 64. The default value forsizeis 1. TINYINT(size)A very small integer. Signed range is from -128 to 127. Unsigned range is...
A data type is a set of representable values. Every representable value belongs to at least one data type and some belong to several data types. SQL supports three sorts of data types: predefined data types, constructed types, and user-defined types. Predefined data types are sometimes called ...
-- The least common type of TINYINT and BIGINT is BIGINT>SELECTtypeof(coalesce(1Y,1L,NULL)); BIGINT-- INTEGER and DATE do not share a precedence chain or support crosscasting in either direction.>SELECTtypeof(coalesce(1,DATE'2020-01-01')); Error: DATATYPE_MISMATCH.DATA_DIFF_TYP...
Msg 245, Level 16, State 1, Line 3Conversion failed when converting the varchar value ' is not a string.' to data type int. 为了计算表达式@notastring + ' is not a string.',SQL Server 先遵循数据类型优先级的规则来完成隐式转换,然后才能计算表达式的结果。 由于 int的优先级高于 varchar,...
4.3 文本字符串类型 (Character String Types) 4.4 二进制字符串类型 (Binary String Types) 举例 案例1 1. create table orders 2. id int primary key auto_increment 3. item_id int 4. amount int 5. unit_price decimal(12, 4) 6. price decimal(12, 4) 7. ts timestamp default current_timest...
SELECT'99'::BIGINT,'2019-09-18T00:00:00Z'::timestamp String types Example string literals 'abcdefghijk''time''h2o_temperature' Numeric types The following numeric types are supported: Integers InfluxDB SQL supports the 64-bit signed integers: ...
In this section we introduce the data types defined in the SQL standard. 在这一节中,我们介绍数据类型(在ISO标准中定义的)。 We start by defining what constitutes a vailedidentiferin SQL. identifer /ai‘dentifaiə/ n. 标识符, 识别码; ...
The following table shows the changes in data types and values when data from SQL Server is used in an R script and then returned to SQL Server. Expand table SQL typeR classRESULT SET typeComments bigint numeric float Executing an R script with sp_execute_external_script allows bigint data...