Access to memory in a lattice of three Numbers, then to determine the number inside the cell is given a number equal to

CodePudding user response:

Data type set to text can save multiple value, direct comparison using contains function, need not split cycle judgment.

CodePudding user response:

Upstairs, positive solutions is set to the text and then separated by Spaces or commas

CodePudding user response:

Database to store data and how to display interface, completely is not the same thing, the database design according to the model specification, 3 columns should be used, for example, or use a word table outside key associated with the main table of specific line, and interface shows a unit, or any other graphics, that is a question of interface design, interface is protean, user ask you to modify the evil, the front of the database table is can't literally change,

CodePudding user response:

Suggestion with professional programmers learn software design idea, more than one year

CodePudding user response:

See the data range, small data range, can also use Numbers, * 1000 * 10000000, such as large range of data can save character, can compare directly,