CHARACTER_LENGTH CHARINDEX CHR COLLATE CONCAT CRC32 DIFFERENCE INITCAP LEFT 和 RIGHT LEN LENGTH LOWER LPAD 和 RPAD LTRIM OCTETINDEX OCTET_LENGTH POSITION QUOTE_IDENT QUOTE_LITERAL REGEXP_COUNT REGEXP_INSTR REGEXP_REPLACE REGEXP_SUBSTR 重复 REPLACE REPLICATE REVERSE RTRIM SOUNDEX SPLIT_PART STRPOS STRT...
TRIM( [ BOTH | LEADING | TRAILING ] [trim_chars FROM ] string ) 参数 BOTH | LEADING | TRAILING (可选)指定从何处剪裁字符。使用 BOTH 会删除前导和尾随字符,使用 LEADING 仅删除前导字符,使用 TRAILING 仅删除尾随字符。如果省略此参数,则会同时剪裁前导字符和尾随字符。 trim_chars (可选)要从...
第一个变化是对职场个人的行为的分析，放到组织架构这个层面看，才能够看明白更多的道理。人毕竟是群体的...
这篇文档有助于加快sql任务迁移到MaxCompute。由于Redshift和MaxCompute之间语法存在很多差异,因此我们需要修改Redshift上编写的脚本,然后才能在MaxCompute中使用,因为服务之间的SQL方言不同。 2.迁移前RedShift于MaxCompute的各项对比差异 2.1.1数据类型对比及类型转化 MaxCompoute数据类型参考https://help.aliyun.com/docu...
主要区别 2.1.3复合表达式 2.1.4条件比较 2.1.5DDL语法 主要差异: 1.MaxCompute不支持主键自增和PRIMARY KEY 2.指定默认值default]不支持使用函数 3.decimal指定默认值不支持-1 2.1.6DML语法差异 2.1.7内建函数对比 其他未列出的redshift函数不支持。
The String value to write for nulls when using the CSV tempformat. This should be a value that does not appear in your actual data. csvseparator No , Separator to use when writing temporary files with tempformat set to CSV or CSV GZIP. This must be a valid ASCII character, for example...
createtablesnowplow.event_copy ( event_idCHARACTERVARYING(256)primarykey distkey encode lzo,-- we join custom contexts on this, so it should be the dist keydvce_sent_tstampTIMESTAMPWITHOUTTIMEZONE sortkey encode lzo,-- we often select on this, so it should be the sort keydvce_created_tst...
The new REGEX_SUBSTR function extracts a substring from a string, as specified by a regular expression. For example, the following SELECT statement retrieves the portion of an email address between the “@” character and the top-level domain name: ...
The new REGEX_SUBSTR function extracts a substring from a string, as specified by a regular expression. For example, the following SELECT statement retrieves the portion of an email address between the “@” character and the top-level domain name: ...
resolves unknown column error seen in insert_data_bulk. [Brooke White] Fix(Cursor, __is_valid_table): replace table_schema by schema_name (#199) [Maximiliano Urrutia] SVV_ALL_TABLES does not have table_schema column v2.0.917 (2023-11-20) Chore: lint codebase. [Brooke White] Feat: ...