19 N NUMBER NUMBER(精度,标度) 固定18字节 20 PD PINTERNALPERIODDATETYPE 系统Method SYSUDTLIB .IntPeriodDateType_P_Intersect SELF字段 21 PM INTERNALPERIODTIMESTAMPWTZTYPE 系统Method SYSUDTLIB .INTPRDTSWTZTYPE_NORMALIZE1 SELF字段 22 PS PERIOD(TIMESTAMP) 系统Function TD_SYSFNLIB.TD_NORMALIZE...
TERADATA数据库操作 1、创建⼀个数据库的命令举例：Create database testbase as perm=200000000,spool=100000000;注释：该命令创建了⼀个测试数据库testbase，其永久表空间为200mb，spool空间不能超过100mb。在teradata数据库系统的缺省⽅式下，是不区分⼤⼩写字母的。2、修改数据库的命令举例：Modify data...
TeraData SQL基础
An ODATA filter query to restrict the entries returned (e.g. stringColumn eq 'string' OR numberColumn lt 123). Order By $orderby string An ODATA orderBy query for specifying the order of entries. Top Count $top integer Total number of entries to retrieve (default = all). Skip Co...
spool 2 and tfact.e are joined using a product join, with a join condition of (tfact.e.dept_number = dept_number) or (tfact.e.employee_number = dept_mgr_number). the input table tfact.e will not be cache 41、d in memory, but it is eligible for synchronized scanning. the ...
TYPE DATACONNECTOR CONSUMER – if the file is being written to 4.Export (1) Export Job ExampleDEFINE JOB Export_to_FileDESCRIPTION 'Export 1000 rows from AP.Accounts table' ( DEFINE SCHEMA Accounts_Schema (Account_Number INTEGER, Street_Number INTEGER, ...
httpsPortNumber 通过HTTPS/TLS 连接连接到服务器的端口号。 443 UseDataEncryption 指定是否对 Teradata 数据库的所有通信进行加密。 允许的值为 0 或 1。- 0 (已禁用):仅加密身份验证信息。- 1(已启用,默认值):加密驱动程序和数据库之间传递的所有数据。 HTTPS/TLS 连接忽略此设置。 1 CharacterSet 要用于会...
SELECT * FROM ( SELECT col1, ROW_NUMBER () OVER (PARTITION by col1 ORDER BY col1) rn FROM tab1 WHERE col1='XYZ' ) WHERE rn = 1; 日期算术:Azure Synapse 具有可用于 DATE 或DATETIME 字段的运算符,例如 DATEADD 和DATEDIFF。 Teradata 支持对日期进行直接减法运算,例如 SELECT DATE1 - DATE...
Data Type Support The Hortonworks Connector data types depend on Teradata database types. Support for Teradata Data Types BIGINT BYTEINT INTEGER SMALLINT DOUBLE PRECISION FLOAT REAL DECIMAL (n,m) NUMERIC (n,m) NUMBER (n,m) CHAR (n) VARCHAR (n) LONG VARCHAR DATE TIME (n) TIMESTAMP (n)...
NameKeyRequiredTypeDescription Table name table True string Name of Teradata table Filter Query $filter string An ODATA filter query to restrict the entries returned (e.g. stringColumn eq 'string' OR numberColumn lt 123). Order By $orderby string An ODATA orderBy query for specifyin...