語(yǔ)法:
create table table_name(
column1 datatype,
primary key( one or more columns )
);
舉例:
create table users(
id int primary key not null,
name text not null
)
語(yǔ)法:
create table table_name(
column1 datatype,
primary key( one or more columns )
);
舉例:
create table users(
id int primary key not null,
name text not null
)