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Difference Between Schema / Database in MySQL
Is there a difference between a schema and a database in MySQL? In SQL Server, a database is a higher level container in relation to a schema.
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Truncate all tables in a MySQL database in one command?
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Drop (i.e. remove tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "drop table $table" DATABASE_NAME; done
Truncate (i.e. empty tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "truncate t...
Convert a series of parent-child relationships into a hierarchical tree?
...that array into a hierarchical tree structure:
function parseTree($tree, $root = null) {
$return = array();
# Traverse the tree and search for direct children of the root
foreach($tree as $child => $parent) {
# A direct child is found
if($parent == $root) {
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Clear MySQL query cache without restarting server
Is there any way to clear mysql query cache without restarting mySQL server?
3 Answers
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List of Stored Procedures/Functions Mysql Command Line
How can I see the list of the stored procedures or stored functions in mysql command line like show tables; or show databases; commands.
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What is the difference between sql and mysql [closed]
...o databases and I was wondering: What is the difference between SQL and MySQL ?
5 Answers
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Which MySQL data type to use for storing boolean values
Since MySQL doesn't seem to have any 'boolean' data type, which data type do you 'abuse' for storing true/false information in MySQL?
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Convert timestamp to date in MySQL query
I want to convert a timestamp in MySQL to a date.
10 Answers
10
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Disable ONLY_FULL_GROUP_BY
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Solution 1:
Remove ONLY_FULL_GROUP_BY from mysql console
mysql > SET GLOBAL sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));
you can read more here
Solution 2: Remove ONLY_FULL_GROUP_BY from phpmyadmin
Open phpmyadmin & select localhost
C...
How to annotate MYSQL autoincrement field with JPA annotations
Straight to the point, problem is saving the object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
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