Find code and diagrams at: [ Ссылка ]
nsert into table(column1, column2) values(‘value1’,’value2’); – Inserts records into Table. TEXT type values need single quotation marks ‘ ‘.
Select * from table; – Selects ALL records from table and displays ALL columns
Select * from table order by column; – Selects all records, shows all columns and then orders by column.
Select * from table order by column desc – Changes ordering to be depending.
Select * from table where column = ‘x’; – Shows records where the value in column equals what is requested. For number values you can use = conditions and more.
Select column1,column2 from table; – Only displays data from specified columns
Select column1, column2 from table where column = ‘x’ order by column; – Shows specific columns where ‘x’ is true and is ordered by a column.
Setup MySQL Lab:
show databases;
create database classDB;
use classDB;
Create table users(
user_id INT Auto_INCREMENT PRIMARY KEY,
name TEXT,
age INT,
gender TEXT
);
show tables;
desc users;
Ещё видео!