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Image storage - php mysql stores base64 images

In the HTML5 canvas, I used a third-party control for making emoticon packages, and now I want to upload the c...

From [MySQLdiscussion group] 2017-05-19 10:07:42 0  4  1178

php - How should the title table and points rule table be designed?

For example, the first-level title ['Skilled Craftsman'] needs to reach the merit value XX, and the second-lev...

From [MySQLdiscussion group] 2017-05-19 10:07:32 0  1  803

How to change records to system time in MySQL?

How to change Zhang San’s time to system time?

From [MySQLdiscussion group] 2017-05-19 10:07:26 0  1  864

Is there any statement in mysql that can directly update the first ten items of sorted data?

I would like to ask, is there any sql that can directly sort the current table by score, and then update a fie...

From [MySQLdiscussion group] 2017-05-19 10:07:15 0  2  757

java - mysql single table pipeline 500W data multi-dimensional statistics solution

There is a flow table structure in the project as follows: id sdkVersion jarVersion countryCode imei createTim...

From [MySQLdiscussion group] 2017-05-19 10:07:03 0  4  1018

mysql - table design with multiple roles having different fields

I design a system with multiple roles and they have different fields. Should I design different role tables, o...

From [MySQLdiscussion group] 2017-05-19 10:07:01 0  2  875

What exactly does MySQL's SELECT...FOR UPDATE do?

http://www.cnblogs.com/houwei... After reading this article, I still don’t understand what this statement does...

From [MySQLdiscussion group] 2017-05-19 10:06:51 0  1  714

mysql-python, protobuf installation

System: Windows 7 64 When using pip3 to install mysql-connector, it shows that protobuf is missing. Then after...

From [MySQLdiscussion group] 2017-05-18 10:57:10 0  1  847

mysql - For these two SQL statements, one uses or and the other uses union all. The performance should be better than the latter, right?

{code...} This is {code...} for union all

From [MySQLdiscussion group] 2017-05-18 10:56:52 0  2  1267

mysql - sql optimization problem, between is better than in?

I saw information on the Internet saying: {code...}

From [MySQLdiscussion group] 2017-05-18 10:56:50 0  4  978

Index - Ask about joint query of large data volume in Mysql

Now there is table A, which stores the core and busiest data of the entire business line. The approximate amou...

From [MySQLdiscussion group] 2017-05-18 10:56:39 0  1  791

mysql - navicate imports Chinese garbled characters into the database?

1. Create a new people.xlsx table 2. Save as 3. Import database 4. Chinese garbled characters Question: Why do...

From [MySQLdiscussion group] 2017-05-18 10:56:34 0  1  1397

Is there any difference in storage between MySQL, VARCHAR(1000) and TEXT (purpose: to store long strings)?

The actual phenomenon is expected to understand the difference between VARCHAR/TEXT when storing large strings...

From [MySQLdiscussion group] 2017-05-18 10:56:22 0  1  1688

mysql - How to insert into the database after drag and drop reordering?

It is an article pagination, for example, ten pages, and the serial number is 1-10; one page stores a piece of...

From [MySQLdiscussion group] 2017-05-18 10:56:17 0  1  1249

mysql - How to use sql column value as field name of new table?

Please tell me how to use the result column value in the above picture as the field name of the new table. Ple...

From [MySQLdiscussion group] 2017-05-18 10:56:14 0  1  700