Import CSV file into MySQL
In MySQL using LOAD DATA INFILE statement you can read data from a text file and import the data into a MySQL table i.e. Import CSV file into MySql. But you need to match the […]
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MySQL JSON Operations | Advantages and Limitations
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 […]
5 essential performance tips for MySQL
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. […]
MariaDB Vs MySQL- Comparison, Features, Differences and Similarities
“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. […]
INSERT … ON DUPLICATE KEY UPDATE
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, […]
Update from one table to another with condition in MySQL
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 […]
MySQL GROUP_CONCAT() maximum length
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 […]
mysql_fetch_array() expects parameter 1 to be resource, boolean given
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 […]
SQl MATCH AGAINST find results with only more than 3 characters in the result
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 […]
MySQL Best Practices
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 […]