Curious about Actual Oracle Database (1Z0-909) Exam Questions?

Which two statements are true about aggregate functions?

A server hosts MySQL Server and Apache Webserver supporting a PHP/PDO based application.

The application must be migrated from PHP to their Java application server on another host. The MySQL instance remains on the original host.

Examine the PDO connection string used in the existing application:

Mysql:host-localhost;dbname=sales;unix_socket=/var/run/mysql.sock

Which two prevent Java from using the Unix socket?

Examine this statement and output:

Which will provide the same level of detail when the error is encountered within a stored routine?

A)

B)

C)

D)

Examine this statement and output:

CREATE TABLE geom (g GEOMETRY NOT NOLL, SPATIAL INDEX(g) ) ; Query OK, 0 rows affected, 1 warning (0.01 sec)

An attempt is made to add an SRID attribute to the column using the statement:

ALTER TABLE geom MODIFY COLUMN g geometry NOT NULL SRID 0;

Which is true?

Examine these statements issued from Session 1 which execute successfully:

Now, examine these statements issued from Session 2 which execute successfully:

Session 2>

BEGIN;

UPDATE band SET song=CONCAT ("Here Comes the ", song) WHERE song LIKE ' %Sun ;

Which two are true?