in PostgreSQL. With very little effort (and minimum queries) you can look at the same data from many different perspectives. This functionality comes indbForge Studio for PostgreSQLalong with other useful database management features. Try the tool and enjoy PostgreSQL pivoting without crosstab. ...
这个链接:http://www.cureffi.org/2013/03/19/automatically-creating-pivot-table-column-names-in-postgresql/ 给了我完整的 crosstab 查询语句。但问题是,当从函数返回结果时,如何给出列定义列表?因为 Salescountry 可能是多个国家,并且随着他们插入新的国家,这个数量可能会发生变化。我该如何从函数中返回动态的 ...
crosstab table function (PostgreSQL) The PostgreSQL database is delivered with a set of crosstab table functions to pivot data (documentation). You can’t catch up on 20 years of SQL evolution in one day. Subscribe the newsletter via E-Mail, Bluesky or RSS to gradually catch up and to kee...
Oracle Database delivers PIVOT functionality designed to help summarize and analyze volumes of data in your database. The feature enables Oracle database users to transpose rows to columns and present any type of query in the crosstab format using a pivot operator. Before Oracle 11g, you could ...
PostgreSQL , Oracle , 行列变换 , pivot , unpivot , tablefunc , crosstab , json , jsonb 背景 行列转换是OLAP应用场景中,对数据透视常用的SQL之一。 Oracle pivot 行转列 语法如下: SELECT ... FROM ... PIVOT [XML] (pivot_clause pivot_for_clause pivot_in_clause ) WHERE ... In ...
and visualize the data via user-friendly interface. In MySQL, pivot function helps you rearrange the data and see it from many perspectives depending on your specific needs, especially when numeric data is involved. Enjoy the crosstab-free experience to see a full picture as a part ofdbForge ...