PHP Blog
-
5 min readTo optimize a query in PostgreSQL, there are several strategies that can be employed. One key factor is ensuring that the tables involved in the query have been properly indexed. Indexes help to speed up data retrieval by organizing and storing data in a way that makes it easier for the database to search through.Another important aspect of query optimization is writing efficient and structured SQL queries.
-
5 min readTo set a local domain with XAMPP on Windows, you will first need to open the "httpd-vhosts.conf" file located in the XAMPP installation directory. In this file, you can set up your desired domain name and link it to the folder where your website files are stored.Next, you will need to edit the "hosts" file in the Windows system directory to map your local domain name to the localhost IP address.
-
4 min readTo enable and configure logging in PostgreSQL, you need to modify the configuration file called "postgresql.conf".Find the "postgresql.conf" file in the data directory of your PostgreSQL installation.Open the file using a text editor.Find the section related to logging settings.Set the "logging_collector" parameter to "on" to enable logging.
-
7 min readTo schedule a task, also known as a cron job, in PostgreSQL you can use the pg_cron extension. This extension allows you to schedule and run PostgreSQL commands at specific intervals.First, you need to install the pg_cron extension in your PostgreSQL database. You can do this by downloading the extension and adding it to the shared_preload_libraries parameter in your postgresql.conf file.Once the extension is installed, you can schedule a task by creating a new cron job using the cron.
-
5 min readTo locate the database path in XAMPP, you need to navigate to the XAMPP installation directory on your computer. Once there, look for a folder named "mysql" or "MariaDB" depending on the version you are using. Inside this folder, you will find a subfolder named "data" which contains all the databases created within XAMPP. This is where the database path is located. You can access this path to manage, backup, or restore your databases in XAMPP.
-
6 min readTo call a stored procedure in PostgreSQL, you first need to make sure that the procedure is already created in the database. Once the procedure exists, you can call it using the CALL statement followed by the name of the procedure and any required parameters. Optionally, you can also use the SELECT statement to call a procedure that returns a result set.
-
5 min readTo create a database using XAMPP shell, you first need to open the XAMPP control panel and start the MySQL server. Once the server is running, open the XAMPP shell and type the command "mysql -u root -p" to login to the MySQL command line interface.After entering your MySQL root password, you can then create a new database by typing "CREATE DATABASE database_name;" where "database_name" is the name you want to give to the new database.
-
5 min readTo create a stored procedure in PostgreSQL, you first need to open a database connection and then use the CREATE FUNCTION statement. Within this statement, you can define the input parameters, return type, and the SQL code that will be executed when the procedure is called. Make sure to handle any necessary error checking and transaction management within the stored procedure as well.
-
4 min readTo enable CORS in Apache2 and XAMPP, you will need to configure the Apache web server by adding a few lines of code to the .htaccess file or the Apache configuration file (httpd.conf).
-
6 min readIn PostgreSQL, triggers can be either enabled or disabled based on the specific requirements of a database operation. To enable a trigger, you can use the ALTER TRIGGER statement followed by the ENABLE keyword. Similarly, to disable a trigger, the ALTER TRIGGER statement can be used with the DISABLE keyword. This allows for greater control over the execution of triggers within a PostgreSQL database, ensuring that they are only fired when necessary and improving overall performance.
-
4 min readTo install APC or APCu in XAMPP, you would first need to download the appropriate dll files for your PHP version from the PECL website. Make sure to choose the dll files that are compatible with your PHP version.Next, you will need to copy the downloaded dll files to the "ext" folder in the PHP directory of your XAMPP installation.After that, you will need to enable the APC or APCu extension in your php.ini file by adding the following line: extension=apc.so or extension=apcu.