a) Use the MultiLoad INMOD Adapter operator as a filter. b) Use the CASE statement and the WHERE clause in the APPLY statement to limit sets. c) Create a custom filter operator using C or C++. Standalone operat
There are 3 ways to perform filtering operations in the TPT environment: a) Use the MultiLoad INMOD Adapter operator as a filter. b) Use the CASE statement and the WHERE clause in the APPLY statement to limit sets. c) Create a custom filter operator using C or C++. Standalone operators...
Please enable the config_param tdMigrateLockOption to comment the LOCK syntax in the statement. 说明: 详情请参见ACCESS LOCK。 true false false tdMigrateLOCKoption=true tdMigrateNULLIFZERO 该参数指定是否迁移NULLIFZERO()。 若该参数设为true,则迁移NULLIFZERO()。 若该参数设为false,则不迁移NULLIF...
设置Teradata配置参数可在迁移Teradata数据库脚本时自定义迁移工具的行为。打开config文件夹中的features-teradata.properties文件,并根据实际需要设置表1中的参数。features-teradata.properties文件中的配置参数参数说明取值范围默认值样例deleteToTruncate该参
Teradata SQL programming,Teradata的SQL设计和Oracle真不是一个水平,一点美感的没有.上个世纪它靠着MPP一招鲜吃变天,居然做了十多年数据仓库的老大,时过境迁,
A special type of temporary table is the derived table. It is specified in the SQL SELECT statement. A Derived Table is Obtained from One or More Other Tables as the Result of a Sub-Query. Scope of A Derived Table is only Visible to the Level of the SELECT statement calling the Sub-...
Running an Existing Statement or Script Configuring the compute group option Using the Simple Query Builder Visualizing Data Launching Visualization Results Tab Charts Tab Monitoring and Managing Queries Summary View Query Monitoring Detail View Query Breakdown Overview Tab SQL Tab Expl...
To copy data from Teradata, the following properties are supported in the copy activitysourcesection: PropertyDescriptionRequired typeThe type property of the copy activity source must be set toTeradataSource.Yes queryUse the custom SQL query to read data. An example is"SELECT * FROM MyTable". ...
locking table prdmart.Dim_Brand for access select all * from prdmart.Dim_Brand; SQL : case when计算复杂条件运算格式一SELECT (CASE prodSTATUSWHEN 1 THEN AWHEN 2 THEN BELSE CEND )FROM t1;格式二SELECT (CASEWHEN prodSTATUS = 1 THEN AWHEN prodSTATUS = 2 THEN BELSE CEND )FROM t1; SQL ...
FunctionSQLstatement SQLCommands-DML DataManipulationLanguage(DML) SQLstatementFunction SELECT Performrelationalqueryfunctions.(Select, Project,Join,Union,Intersect,Minus) INSERTPlaceanewrowintoatable. UPDATEModifyvaluesinanexistingrow. DELETE Removearowfromatable. ...