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How to capture executed mysql errors through shell and report them to the table

The picture above is the statement I executed when inserting into the database. Below are some of the errors o...

From [MySQLdiscussion group] 2017-05-18 10:48:19 0  1  753

mysql - tens of millions of data paging, when the offset turns out to be larger, how to optimize the speed?

Taking mysql as an example, when the amount of data is generally large, the offset will be larger when paging,...

From [MySQLdiscussion group] 2017-05-18 10:48:01 0  2  1018

javascript - Get json data from mysql, how does the front end process the conversion and parse the json type

console.log prompts like this: {Code...} Obtain json data from mysql, and encounter this problem. How does the...

From [MySQLdiscussion group] 2017-05-18 10:47:53 0  5  926

python - flask copy source code Chapter 8 user role error occurs

I finished Chapter 8 in the afternoon. I can log in to the web page and store data in the database, but I can'...

From [MySQLdiscussion group] 2017-05-18 10:47:39 0  1  914

mysql - What is the reason for sql error?

I found a SQL injection vulnerability based on orderBy in an old system that is under maintenance. I am going ...

From [MySQLdiscussion group] 2017-05-18 10:47:26 0  1  1021

mysql trigger error

DROP TRIGGER IF EXISTS chufa;CREATE DEFINER=root@localhost TRIGGER chufa AFTER INSERT ON db_product FOR EACH R...

From [MySQLdiscussion group] 2017-05-18 10:47:14 0  1  700

python - flask-sqlalchemy How to set fields in json format

flask-sqlalchemy How to set fields in json format

From [MySQLdiscussion group] 2017-05-18 10:47:02 0  1  1012

Mysql on Mac does not respond when I click the stop button in the control panel

As shown in the figure, there is no response when pressing stop. The process will reappear when using the term...

From [MySQLdiscussion group] 2017-05-18 10:46:52 0  3  1059

mysql - Query to modify the database optimization problem

I have a table with hundreds of thousands of data. Every time an event is triggered, all tables will be querie...

From [MySQLdiscussion group] 2017-05-18 10:46:43 0  2  814

gfw - cross-border synchronization mysql problem, big headache

The problem is this. Our website is bilingual and serves domestic and foreign users at the same time, so we ha...

From [MySQLdiscussion group] 2017-05-18 10:46:41 0  2  773

Problems with navicat and MYSQL5.7

Scenario: An insert statement is run on the query interface of navicat and an error is reported, such as the f...

From [MySQLdiscussion group] 2017-05-18 10:46:38 0  1  1230

A MySql query problem

The data is as follows: id col 1 a,b,d 2 a,b,c My query conditions: col=(a,b) requires to find two rows with i...

From [MySQLdiscussion group] 2017-05-18 10:46:37 0  2  753

mysql - C# always has this problem when connecting to the database int i = cmd.ExecuteNonQuery();

private void button1_Click(object sender, EventArgs e) {代碼...}

From [MySQLdiscussion group] 2017-05-18 10:46:30 0  3  817

mysql optimization - mysql 5.7 not in != The index is valid, why? Updated?

Why did I use not in != on mysql 5.7 today to use the index? I read many articles saying that the index will b...

From [MySQLdiscussion group] 2017-05-18 10:46:28 0  1  1611

mysql - How to make the sql of the java project compatible with the sql syntax of multiple databases?

How can SQL statements in Java projects be compatible with multiple databases? The project belongs to the prod...

From [MySQLdiscussion group] 2017-05-18 10:45:51 0  2  1125