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Avoiding SQL injection without parameters
...ecommend one for .NET? Maybe more than one depending on the DB: SQLServer, MySQL, PostgreSQL? I've looked for SQL-sanitizer but without much luck, so hsve been forced to implement my own, as best I can (which is no doubt far from foolproof).
– PSU
Nov 29 '19 at...
MySQL DISTINCT on a GROUP_CONCAT()
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3083499%2fmysql-distinct-on-a-group-concat%23new-answer', 'question_page');
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Efficient SQL test query or validation query that will work across all (or most) databases
...it of research along with help from some of the answers here:
SELECT 1
H2
MySQL
Microsoft SQL Server (according to NimChimpsky)
PostgreSQL
SQLite
SELECT 1 FROM DUAL
Oracle
SELECT 1 FROM any_existing_table WHERE 1=0
or
SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested ...
How do you version your database schema? [closed]
...ion :
http://www.nextep-softwares.com/wiki
It currently supports Oracle, MySql and PostgreSql and is in java so the product runs on windows, linux and mac.
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SQL update from one Table to another based on a ID match
...INNER JOIN
RetrieveAccountNumber RAN
ON
SI.LeadID = RAN.LeadID;
MySQL and MariaDB
UPDATE
Sales_Import SI,
RetrieveAccountNumber RAN
SET
SI.AccountNumber = RAN.AccountNumber
WHERE
SI.LeadID = RAN.LeadID;
...
PHP json_encode encoding numbers as strings
...s with PDO and mssql ; but, if I remember correctly, this also happens for MySQL in PHP < 5.3, when the new mysqlnd driver was not yet existing) ;; to check what your data look like, you can use var_dump, which outputs the types of each part of the data.
– Pascal MARTIN
...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...io的简单使用(Timer,Thread,Io_service类)2. 同步Timer本章介绍asio如何在定时器上进行阻塞等待(blocking wait).实现,我们包含必要的头文件.所有的asio类可以简单的通过include "...目录:
1. 同步Timer
2. 异步Timer
3. 回调函数的参数
4. 成员函...
Increment a database field by 1
With MySQL, if I have a field, of say logins, how would I go about updating that field by 1 within a sql command?
5 Answers...
大数据能否拯救中国足球? - 资讯 - 清泛网 - 专注C/C++及内核技术
...难。
未来大数据在足球相关产业中的应用前景到底如何?从球队、球员的日常训练到整个职业联赛球员大数据库的建立,从可穿戴设备到体育赛事转播的制作包装,大数据可介入的发力点又在哪里?
事实上,随着80亿中超(...
How does “do something OR DIE()” work in PHP?
I'm writing a php app to access a MySQL database, and on a tutorial, it says something of the form
4 Answers
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