[MySQL learning notes 11] sort query

Basic grammar

select Field list from Table name order by Field 1 sort order 1, Field 2 sort order 2,…

sort order

asc： Ascending （ Default sort ）
desc： Descending

practice

# Sort employees in ascending order by age 
select * from emp order by age asc;
# According to the employment time , Sort employees in descending order 
select * from emp order by entrydate desc;
# Sort in ascending order by age , If the age is the same, it will be sorted in descending order according to the employment time 
select * from emp order by age asc,entrydate desc;