子句顺序 从Teradata迁移SELECT语句时,各子句(FROM、WHERE、HAVING和GROUP BY)可按任意顺序排列。如果语句的FROM子句之前包含作为ALIAS的QUALIFY子句,则DSC不会迁移该语句。 可以使用tdMigrateALIAS参数来配置ALIAS的迁移。 来自:帮助中心 查看更多 → NGINX仪表盘模板 ...
并且任何一个分组函数（count sum avg max min）都是在group by语句结束之后才会执行的。当一条sql语句...
Oracle、Teradata和MySQL语法兼容性差异 ength为负数则返回空串。 如果fill为空串且string长度小于length时,返回空串,如果length为负数则返回null。 substr(str, s[, n]) s = 0时,返回前n个字符 s = 0时,返回前n个字符。 s = 0时,返回空串。 substring(str ...
How do I convert a timestamp to 'YYYYMM' in Teradata? how do i delete records from the User defined table types? How do I export BLOB (varbinary max) column to Excel or CSV file without xp_cmdshell? How do I filter my SQL Server Query by UTC AT TIME ZONE 'Eastern Standard Time...
First published on MSDN on Oct 28, 2016 Issue:While trying to create a data source view (DSV) on the SSAS project connecting to a Teradata source table which...
“CREATE INDEX” syntax. If you had come from SQL, this was a really easy way to learn the law of unintended consequences. Just like in SQL indexing, the more you add the more you affect write performance. However, with Cassandra, this triggered the larger issue with write-amplification. ...
How do I convert a timestamp to 'YYYYMM' in Teradata? how do i delete records from the User defined table types? How do I export BLOB (varbinary max) column to Excel or CSV file without xp_cmdshell? How do I filter my SQL Server Query by UTC AT TIME ZONE 'Eastern Standard Time'...
Oracle、Teradata和MySQL语法兼容性差异 ength为负数则返回空串。 如果fill为空串且string长度小于length时,返回空串,如果length为负数则返回null。 substr(str, s[, n]) s = 0时,返回前n个字符 s = 0时,返回前n个字符。 s = 0时,返回空串。 substring(str ...
How do I convert a timestamp to 'YYYYMM' in Teradata? how do i delete records from the User defined table types? How do I export BLOB (varbinary max) column to Excel or CSV file without xp_cmdshell? How do I filter my SQL Server Query by UTC AT TIME ZONE 'Eastern Standard Time'...
How do I convert a timestamp to 'YYYYMM' in Teradata? how do i delete records from the User defined table types? How do I export BLOB (varbinary max) column to Excel or CSV file without xp_cmdshell? How do I filter my SQL Server Query by UTC AT TIME ZONE 'Eastern Standard Time'...