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Get the new record primary key ID from MySQL insert query?
Let's say I am doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key .
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MySQL query String contains
I've been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack ) in a certain column contains certain data (string $needle ), like this:
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How to escape apostrophe (') in MySql?
The MySQL documentation says that it should be \' . However, both scite and mysql shows that '' works. I saw that and it works. What should I do?
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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
从Code Review 谈如何做技术这两天，在微博上表达了一下Code Review的重要性。因为翻看了阿里内部的Review Board上的记录，从上面发现Code Review做得好的是一些比...这两天，在微博上表达了一下Code Review的重要性。因为翻看了阿里内部...
Which MySQL datatype to use for an IP address? [duplicate]
...on and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")'
'SELECT `ipv6` FROM `table`'
$ipv6 = inet_pton($row['ipv6']);
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Get table column names in MySQL?
Is there a way to grab the columns name of a table in mysql?
using php
19 Answers
19
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How do MySQL indexes work?
I am really interested in how MySQL indexes work, more specifically, how can they return the data requested without scanning the entire table?
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How to use MySQL DECIMAL?
I can't quite get a grasp of MySQL's DECIMAL. I need the row to be able to contain a number anywhere from 00.0001 to 99.9999. How would I structure it to work like so?
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Installing in Homebrew errors
...ething installed via homebrew that requires special user permissions, like mysql, make sure to give those permissions back (as the above command gives recursive ownership to everything inside /usr/local to you ($USER). In the case of mysql, it's…
sudo chown -RL mysql:mysql /usr/local/mysql/dat...
MySQL Error 1093 - Can't specify target table for update in FROM clause
...handle the OP's exact query, please see other answers to this question
In MySQL, you can't modify the same table which you use in the SELECT part.
This behaviour is documented at:
http://dev.mysql.com/doc/refman/5.6/en/update.html
Maybe you can just join the table to itself
If the logic is simple...