INSERT-SELECT Statement INSERT Statement DELETE Statement UPDATE Statement Querying Object File System Data Managing Consumption Using the Consumption Estimates Third Party Applications Protegrity Installation Considerations for Protegrity ESA Server Setting Up the AWS PrivateLink Service Installing...
TPT permits conversion in the APPLY statement. Data can be converted to an alternate data type, or be changed to/from a null APPLY ( 'INSERT INTO Customer VALUES (:Customer_Number, :Last_Name, :First_Name, :Social_Security);') TO OPERATOR (Load_Customer [1]) SELECT Customer_Number ,La...
Teradata - SELECT Statement Logical & Conditional Operators Teradata - SET Operators Teradata - String Manipulation Teradata - Date/Time Functions Teradata - Built-in Functions Teradata - Aggregate Functions Teradata - CASE & COALESCE Teradata - Primary Index Teradata - Joins Teradata - SubQueries Terada...
Teradata - SELECT Statement Logical & Conditional Operators Teradata - SET Operators Teradata - String Manipulation Teradata - Date/Time Functions Teradata - Built-in Functions Teradata - Aggregate Functions Teradata - CASE & COALESCE Teradata - Primary Index Teradata - Joins Teradata - SubQueries Terada...
Teradata RDBMS教程说明书 Teradata
--select add_months(cast(flight_dt as date format ‘YYYYMMDD’) ,9) 19.CAST数据转换 以大写显示结果 --- selectCAST(nameaschar(5) UPPERCASE) ---select UPPER(name) ;select name(UPPERCASE) 20. MACRO 宏 宏定义: Create MACROmacro_name ( icu...
These variables are executed by using the PREPARE and EXECUTE statement in Perl. DSC can extract SQL statements from Perl variables and migrate them. true: enables the migration of Perl variables containing SQL statements. false: disables the migration of Perl variables containing SQL statements. ...
Teradata优化器未得到足够的统计信息 --Collect Statistics 4.Multiple Insert/select -- Multi-Statement Insert/Select * 并行插入空表不记录Transient Journal * 充分利用Teradata向空表Insert较快以及并行操作的特性如: ? 现状 INSERT INTO ${TARGETDB}.DES (Party_Id ,Party_Name ... ) SELECT … FROM SRC...
o use of Intervals in expressions o extended GROUP BY operators o TOP N vs. SAMPLE o effect of dropping or altering a partition o use of CREATE TABLE AS o correctly written SELECT statement o use of ANSI MERGE INTO and UPDATE (upsert processing) ...
5.Insert/Select with Union/Union all --> Multi-Statement Insert/Select * Union需要排除重复记录,Union all虽不需要排重,但都需要占用大量的Spool空间,都需要进行重新组织数据如:现状:INSERT INTO ${TARGETDB}.DES (Party_Id ,Party_Name ... ) SELECT…FROM SRC1 ; UNION ALL SELECT…FROM SRC2 ; UN...