The table format is as follows
There are now multiple tables
I want to know how to check multiple tables at the same time, and for example, if I enter 123, I can find out all the data including 123. Thank you, predecessors.
The second picture really didn’t see what to say, except for a list of icons.
Enter 123 and you will be able to find all the data containing 123 … How should other databases check MongoDB? The above relational database is the same as MongoDB. However, as far as I know, there seems to be no database that recommends this method. Therefore, the subject may have to check whether his needs are reasonable.