存储数组的字段的数据类型应该是什么

Question

I want to store an array (say for example 20*20) in ms sql server,then what should be the datatype of the same? The table is test and fields are ID,focus,name. I want to store arrays in focus field. Please tell me how to do that

Answer 1

You shouldn't.

You should create a separate table (eg: testfocus) with a row for each element of your array, and a foreign key to your test table.

See https://en.wikipedia.org/wiki/Database_normalization