Spatial indexes have which of the following characteristics?

Which can be used instead Of the ALTER DATABASE statement?

What will be the result of the following query? SELECT 'hello hel lo he 0'

Which relational comparison operators can be used to compare row operands as well as scalar operands?

Which is NOT a constraint of the INSERT DELAYED statement?

Which statements regarding the TRUNCATE TABLE statement are correct in MySOL 5.6?

Which is not a String column types?

Which statements are true?

Which are valid MySQL Data type?

Considering table foo has been created with:

create table foo (id int primary key auto_increment, name varchar(100));

Is the following query syntactically valid?

delete from foo where id = id-1;

Which SQL function returns the current date?