DECIMAL 时间间隔 NULL 隐式类型转换 CHAR 输入:CHAR转换 (expression1)(CHAR(n)) 输出 CAST( (expression1) AS CHAR(n) ) COLUMNS和COLUMN ALIAS 输入:对某列进行类型转换和格式化时,应确保列名和别名相同 SELECT Product_Line_ID, MAX(Standard_Price) FROM ( SELECT A.Product_Description, A.Product_...
- salary:员工薪水,设置为最大精度为两位小数的 DECIMAL 类型; - hire_date:入职日期,设置为日期类型; - job_id:员工岗位编号,设置为最大长度为10个字符的字符串。 【总结与建议】 掌握Teradata创建表语句的语法和参数,有助于更好地对数据进行组织和管理。在实际操作中,应根据实际需求合理设置表结构和约束条件...
CREATE TABLE OrderDetails ( OrderDetailID INTEGER NOT NULL, OrderID INTEGER, ProductID INTEGER, Quantity INTEGER, Price DECIMAL(10,2), FOREIGN KEY (OrderID) REFERENCES Orders(OrderID) ); OrderDetailID:订单详情ID,不允许为空。 OrderID:订单ID,作为外键,引用 Orders 表的OrderID 列。 ProductID:...
TeraData SQL基础
DECIMAL/NUMERICDT_NUMERIC BYTEINTDT_I1 SMALLINTDT_I2 INTEGERDT_I4 FLOAT/REAL/DOUBLE PRECISIONDT_R8 DATEDT_DBDATE TIME TIME(n)DT_STR TIMESTAMP TIMESTAMP (n)DT_STR TIME WITH TIMEZONE TIME(n) WITH TIMEZONEDT_STR TIMESTAMP WITH TIMEZONE ...
We can compress the below data type a) Integer b)byte int c)small int d)date e)double f)decimal g)capital h)Float/red h)char The below data types do not support a)Varchar b)Varbyte c)var graphic d)time e)time stomp f)Interval etc. ...
case "INTEGER" => IntegerType case "BIGINT" => LongType case "FLOAT" => DoubleType case "CHAR" => StringType case "DECIMAL" => DecimalType(precision, scale) case "VARCHAR" => StringType case "BYTE" => ByteType case "VARBYTE" => ByteType ...
D DECIMAL DECIMAL DA DATE DATE DH INTERVAL DAY TO HOUR Azure Synapse では サイクル間隔データ型はサポートされていませんが、date 比較関数 (DATEDIFFやDATEADDなど) を使用して date 計算を行います。 DM INTERVAL DAY TO MINUTE Azure Synapse では サイクル間隔データ型はサポートされ...
DecimalDigits.py Demonstrates how to format decimal.Decimal values. DriverDatabaseVersion.py Displays the driver version and database version ElicitFile.py Demonstrates C source file upload to create a User-Defined Function (UDF) ExportCSVResult.py Demonstrates how to export a query result set to ...
Data type mapping between Teradata and Oracle : Numbers: TeradataOracle 1BIGINT64-bit integerNUMBER(19) 2DECIMAL(p, s)DEC(p, s)Fixed-point numberNUMBER(p, s) 3DOUBLE PRECISIONDouble precision floating-point numberNUMBER 4FLOATDouble precision floating-point numberNUMBER ...