Database
Crucial component of modern tech, storing and organizing data efficiently, enabling seamless data retrieval and manipulation for applications and analytics.
Created on
Oct 1, 2022
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How Database Indexing Works
Database indexing is a crucial technique that enhances the performance and speed of queries in a database. It involves creating a separate data struct...
Renaming a MySQL Database (Changing Schema Name)
If you need to rename a MySQL database, also known as changing the schema name, you can do so using a series of SQL commands.
Prerequisites
Before pro...
PostgreSQL: Using "DESCRIBE TABLE"
In PostgreSQL, you can retrieve information about a table's structure and properties using the "DESCRIBE TABLE" command. This command provid...
How to Restore a Dump File from mysqldump
To restore a dump file created with mysqldump and populate a MySQL database, follow these steps:
Prepare the Dump File
Ensure you have the dump file y...
How to Drop Columns Using Rails Migration
To drop columns from a database table using Rails migration, follow these steps:
Generate a Migration File
The first step is to generate a migration f...
How to Get the Size of a MySQL Database
To find out the size of a MySQL database, you can follow these simple steps:
Accessing the MySQL Command Line Interface
To begin, you'll need to acces...
How to Import SQL Dump into PostgreSQL Database
To import an SQL dump into a PostgreSQL database, follow these steps:
Prepare the SQL Dump File
First, ensure you have the SQL dump file you want to i...