Dino Esposito explains JSON-to-rowset native support in SQL Server 2016 and provides a realistic perspective of data query when you have JSON data stored in the database.

因为在PL/SQL 中并没有数组. 这是偶查资料找的范例和自己写的范例来解释如何在PL/SQL 中使用数组. 也许很多人已知道, 不过就是让不知道的朋友们了解一下吧 ...

Hi all,I have a MySQL table with 4 columns that signify someone's selection for 4 options. The option values are not mutually exclusive, so someone could theoretically have the same value in all 4 ...