JSON’s popularity has risen steadily since its inception nearly 15 years ago. JSON is used for data exchange by the vast majority of public Web services today. JSON functions as a string and are useful […]
Sql Developer on each platform are battling, apparently stuck in a DO WHILE circle that commits them to rehash the same errors again and again. That is because the database field is still generally juvenile. […]
“Competitors push you to achieve more!”, the phrase could not me more appropriate in relation to our present day world. Competitions is the best teacher, motivating one to move forward, to learn and to overcome. […]
If you mention ON DUPLICATE KEY UPDATE when a row is inserted that is causing a duplicate value in a UNIQUE index or PRIMARY KEY then MySQL performs an UPDATE of the old row. Suppose, […]
In MySQL, you can update fields of one table from another table with a conditional statement also. For example, you have two tables i.e. “user_activity” and “user”. And you need to update a column in […]
Here in this tutorial, you will learn how you can use the MySQL GROUP_CONCAT() function to concatenate strings from a group with various options. There are many cases where you can apply the GROUP_CONCAT() function to […]
Trying to select data from a MySQL table, but getting the error messages: mysql_fetch_array() expects parameter 1 to be resource, boolean given? – This may happen for various reasons like both the mysql_* and the […]
In MySQL, while searching column using MATCH AGAINST keywords then the result matches all the row with search character more than 3. If you see the system variable ft_min_word_len, which specifies the minimum length of […]
Sometimes we may face about performance issues while opening a website. Not only databases but we need to optimize our programming code also. MySQL Best Practices means few tips to optimize the MySQL query: Avoid […]
MySQL has an alternative of IF statement i.e. MySQL CASE statement by which you can check conditional statement. Besides the IF statement in MySQL, this provides an alternative conditional statement i.e. called CASE. The MySQL […]