Mysql Begin End statement error

The poster wanted to write a complex statement, but it always reported a "begin end" error, so he si...

From [MySQLdiscussion group] 2017-06-30 09:54:32 0  1  1355

PHP inserts data into the MySQL database in a loop. How to determine whether each item is inserted successfully?

As title. {code...}

From [MySQLdiscussion group] 2017-06-30 09:53:58 0  6  923

mysql - schema database design for Q&A website?

I am new to Django and am ready to imitate a simplified segfmentfault website. Now I have a few questions. {Co...

From [MySQLdiscussion group] 2017-06-30 09:53:50 0  1  1051

MySQL How to select date from a datetime type field

There is a field created_at of datetime type. How to select data on a specific date? {Code...} {Code...} are a...

From [MySQLdiscussion group] 2017-06-30 09:53:42 0  5  1065

mysql time format problem

The data type is datetime, why are there so many 000000 at the end? How to deal with it? The default added tim...

From [MySQLdiscussion group] 2017-06-30 09:53:35 0  5  980

mysql - Now that I have used CommandArgument to get the value of t_ID, I now want to get the value of t_Name and put it into the sql statement in the cs file. What should I do?

<asp:Repeater ID="Repeater1" runat="server" OnItemCommand="Repeater1_ItemComma...

From [MySQLdiscussion group] 2017-06-30 09:53:20 0  1  1009

php - Some questions about adding index to mysql database

I have some questions about mysql indexes. I have consulted a lot of information, but the information is very ...

From [MySQLdiscussion group] 2017-06-30 09:53:12 0  4  981

How to SELECT to remove all columns of a certain column in MySQL?

Because there are dozens of columns in the table, is there any simple way to SELECT to remove all columns of a...

From [MySQLdiscussion group] 2017-06-30 09:53:03 0  1  1349

mysql optimization - Questions about index failure and the number of scanned rows being greater than the total number of data rows during mysql query.

The data table uses the innodb engine, and the updated_at field uses a normal index. Three questions: Comparin...

From [MySQLdiscussion group] 2017-06-30 09:52:51 0  1  1335

php - Operation problems after the registration verification email expires

Regarding the issue of registration verification email, my idea is as follows: Add the status field to the dat...

From [MySQLdiscussion group] 2017-06-30 09:52:35 0  3  1063

Arrangement problem after mysql query

There are two tables, table1 and table2. The questions are as follows: {Code...} Maybe my description is not c...

From [MySQLdiscussion group] 2017-06-28 09:23:42 0  3  809

About designing a function that increments a field in mysql.

I have a simple table with three fields, tag_id, user_id, user_tag_id. I want when I insert a record (insertin...

From [MySQLdiscussion group] 2017-06-28 09:23:38 0  2  1063

java - Online application, what should be done if the database operation fails?

I would like to ask for advice on online application. If the database operation (insert, update, delete) fails...

From [MySQLdiscussion group] 2017-06-28 09:23:37 0  4  1029

java - trigger to update two tables at the same time

Using mysql, book management, the problem involves two tables, books and render. Here comes the problem: I wan...

From [MySQLdiscussion group] 2017-06-28 09:23:33 0  2  945

javascript - The image can be displayed on the website, but the console still reports error 403 (Forbidden)

My own website B quotes pictures from my own website A's database. There are more than a dozen pictures. Every...

From [MySQLdiscussion group] 2017-06-28 09:23:26 0  1  806