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看了三本 SQL 入门书籍:《SQL 基础教程 第二版》、《SQL 必知必会 第五版》、《MySQL 基础教程》,阅读这三本书之后,对 SQL 基础有了一点认识,做一个梳理,后面一点点填坑。
DDL
DML
DQL
DCL
database
create
alter
drop
table
rename
select
group by
sum
avg
min
max
count
order by
where
having
>=
<=
=
>
<
!=
or
and
not
in
exists
between ... and ...
cross join
natural join
update
delete
insert
The text was updated successfully, but these errors were encountered:
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看了三本 SQL 入门书籍:《SQL 基础教程 第二版》、《SQL 必知必会 第五版》、《MySQL 基础教程》,阅读这三本书之后,对 SQL 基础有了一点认识,做一个梳理,后面一点点填坑。
SQL 入门路径
DDL
、DML
、DQL
、DCL
database
)的操作:create
、alter
、drop
table
)的操作:create
、alter
、drop
、rename
select
group by
sum
、avg
、min
、max
、count
order by
where
、having
>=
、<=
、=
、>
、<
、!=
or
、and
、not
in
、exists
、between ... and ...
cross join
natural join
update
、delete
、insert
The text was updated successfully, but these errors were encountered: