2108 solutions found
Page 46 of 106votes
Is there a way to grab the columns name of a table in MySQL using PHP?
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What is the (default) charset for: - MySQL database - MySQL table - MySQL column
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In MySQL, how do I get a list of all foreign key constraints pointing to a particular table? a particular column? This is the same thing as [this Oracle questio...
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Is it possible to make a simple query to count how many records I have in a determined period of time like a year, month, or day, having a `TIMESTAMP` field, li...
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I am trying to learn the best way to write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double...
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I can't make a simple connection to the server for some reason. I install the newest MySQL Community 8.0 database along with Node.JS with default settings....
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Is there a collation type which is officially recommended by MySQL, for a general website where you aren't 100% sure of what will be entered? I understand t...
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Is there an SQL injection possibility even when using `mysql_real_escape_string()` function? Consider this sample situation. SQL is constructed in PHP like t...
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SELECT id, amount FROM report I need `amount` to be `amount` if `report.type='P'` and `-amount` if `report.type='N'`. How do I add this t...
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I want to create a new user in MySQL and give it full access only to one database, say `dbTest` that I create with a command like `create database dbTest;`. Wha...
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I want to pull out duplicate records in a MySQL Database. This can be done with: SELECT address, count(id) as cnt FROM list GROUP BY address HAVING...
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I've created database, for example 'mydb'. CREATE DATABASE mydb CHARACTER SET utf8 COLLATE utf8_bin; CREATE USER 'myuser'@'...
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I am connecting MySQL - 8.0 with MySQL Workbench and getting the below error: > Authentication plugin 'caching_sha2_password' cannot be loaded: &...
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I want to change the data type of multiple columns from float to int. What is the simplest way to do this? There is no data to worry about, yet.
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I need to check (from the same table) if there is an association between two events based on date-time. One set of data will contain the ending date-time of...
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I was given a MySQL database file that I need to restore as a database on my Windows Server 2008 machine. I tried using MySQL Administrator, but I got the fo...
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Is there a way to restrict certain tables from the mysqldump command? For example, I'd use the following syntax to dump *only* `table1` and `table2`:...
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I'm using a MySql database with a Java program, now I want to give the program to somebody else. How to export the MySQL database structure without the d...
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What are the differences between PRIMARY, UNIQUE, INDEX and FULLTEXT when creating MySQL tables? How would I use them?
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When I executed the following command: ALTER TABLE `mytable` ADD UNIQUE ( `column1` , `column2` ); I got this error message: #10...