![]() ![]() Sometimes, due to security and portability concerns, you may feel the need to save binary data on your MySQL database alongside other related facts. How to Work with BLOB in MySQL Database Hosted on Alibaba CloudīLOB is an acronym for Binary Large OBjects. For the sake of simplicity, we are going to use a hypothetical store known as mystore. To better understand how MySQL joins works, we will create a test database and populate it with some sample data. The join condition should follow after the ON keyword. The syntax of the join command is shown below: mysql>Select We are going to discuss three types of MySQL joins in this guide: In this tutorial, we will go over the different MySQL joins that you can implement on your application to craft better, faster, optimized and high performing databases on Alibaba Cloud.Ī join occurs when two or more tables are joined in an SQL statement. It is secure, scalable and has high performance with around-the-clock uptime guarantee for many websites and applications. MySQL is one of the most popular relational database management systems (RDBMS). Related Blog Posts How to Use MySQL Joins on Alibaba Cloud MySQL Database For details, you can go to this tutorial. You can manage records and MySQL database users on a MySQL database table via the command line. | student_name | varchar(30) | NO | | NULL | | | Field | Type | Null | Key | Default | Extra | To get the structure of the table that you have created above, you can use the below SQL statement mysql> describe students To view all tables from the selected database, use the syntax below: mysql> show tables You should use the correct data type depending on the needs of your application.įor instance, to create a table named students with two fields (student_id and student_name), we can use the syntax below: mysql> CREATE TABLE students (id INT NOT NULL, student_name VARCHAR (30) NOT NULL) MySQL supports a wide range of data types and you can refer to a complete list here Once you switch to a database, you can create tables using the syntax below create table (field1 datatype, field2 datatype) For instance, to switch to the database that you created above, use the command below: mysql> use test1 You can switch from one database to another one in MySQL via the 'use' command. Remember to replace 'sample2' with the preferred name of your database. To create a database on your Alibaba MySQL server, use the command below: mysql> create database test1 You can run the command below to view the available databases on your Alibaba MySQL server mysql> show databases You can also perform CRUD (Create Read Update and Delete) operations on any database table. Once you are connected to your MySQL database, you can execute SQL (Structured Query Language) commands to manage your MySQL instance including creating users, databases, tables, columns/fields. You can also use the LIKE operator to list the databases based on the pattern.Alibaba Cloud offers highly-available on-demand MySQL, SQL Server and PostgreSQL databases as part of their ApsaraDB for RDS (Relational Database Service), you can manage your Alibaba MySQL databases from a Command Line Interface (CLI) on an Alibaba Cloud instance.įirst make sure you have created a whitelist group for the IP address of the computer if you are connecting to ApsaraDB for RDS.
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