DBD is physical description of database.
True
False
The mysql contains a user root?
The default password of root user is
My$ql
Linuxab$
""
None of the above
What will be the output of the query select * from table1 order by rand()
Error
All columns ordered randomly
rows picked in a random way
Is it a valid mySQL statements? SELECT @min_price:=MIN(price),@max_price:=MAX(price) FROM shop; SELECT * FROM shop WHERE price=@min_price OR price=@max_price;
What will be the output of the query SELECT column FROM table ORDER BY column DESC LIMIT 7,10;
Would skip the first 7, and then get you the next ten highest.
not a valid mysql query
Would skip the first 10, and then get you the next 7 highest.