FLOAT double INTEGER integer INTERVAL YEAR character INTERVAL YEAR TO MONTH character INTERVAL MONTH character INTERVAL DAY character INTERVAL DAY TO HOUR character INTERVAL DAY TO MINUTE character INTE
FLOAT float INTEGER int INTERVAL YEAR str INTERVAL YEAR TO MONTH str INTERVAL MONTH str INTERVAL DAY str INTERVAL DAY TO HOUR str INTERVAL DAY TO MINUTE str INTERVAL DAY TO SECOND str INTERVAL HOUR str INTERVAL HOUR TO MINUTE str INTERVAL HOUR TO SECOND str INTERVAL MINUTE ...
Teradata高级文档.doc,Tera Blog 收藏 Teradata SQL调优 1.优化过程:依照运行时间,数据量和复杂度来定位瓶颈。 查看sql执行计划,判断其合理性。 性能监控 ==》目标选取 ==》性能分析 ==》过程优化 ==》运行跟踪(性能监控) 注意:每个过程中都会产生必须的文档 2.性能分
Allowable column types are: "logical"(stored asuchar), "integer"(stored asint32), "float32"(the default for floating point data for .xdf files), "numeric"(stored asfloat64as in R), "character"(stored asstring), "factor"(stored asuint32), ...
case "FLOAT" => DoubleType case "CHAR" => StringType case "DECIMAL" => DecimalType(precision, scale) case "VARCHAR" => StringType case "BYTE" => ByteType case "VARBYTE" => ByteType case "DATE" => DateType case "TIME" => TimestampType ...
When you read from Teradata to Spark, data types map as follows:展開表格 Teradata typeSpark type Byte, Blob BinaryType Byteint, Smallint, Integer IntegerType BigInt LongType Float, Double, Double Precision DoubleType Number(n, m) DecimalType Number(, m), Number(), Number Unsupported ...
Conversion is highly-optimized to run as fast as possible, yet provides top-notch reliability. Huge tables are converted in small chunks at a time, preserving memory and ensuring that your computer stays fast and responsive. Data is now in the target database ...
First we shall address the case where your time data is defined as a number (FLOAT or DECIMAL, perhaps) inhhmmssform. select ((time02 / 10000) * 3600 + (time02 / 100 MOD 100) * 60 + (time02 MOD 100)) - ((time01 / 10000) * 3600 + ...
Hi Dave, I didn't work with Teradata, but this support pagehttps://support.office.com/en-us/article/Connect-to-a-Teradata-database-Power-Query-ddd537df-0c2c-49f2-92a0-bc66888ed65b?ui=en-US&rs=en-001&ad=USsays Note:Before you can connect to a Teradata database, you need the.NET...
FLOAT Double GRAPHIC StringFixedLength INT, INTEGER Int32 INTERVAL DAY StringFixedLength INTERVAL DAY TO HOUR StringFixedLength INTERVAL DAY TO MINUTE StringFixedLength INTERVAL DAY TO SECOND StringFixedLength INTERVAL HOUR StringFixedLength INTERVAL HOUR TO MINUTE StringFixedLength INTERVAL HOUR TO SECOND...