SELECT problem_log_id ,  log_entry_description FROM problem_log
What are the log id and entry description of each problem?
PRAGMA foreign_keys = ON;
CREATE TABLE `Problem_Category_Codes` (
`problem_category_code` VARCHAR(20) PRIMARY KEY,
`problem_category_description` VARCHAR(80)
);
INSERT INTO `Problem_Category_Codes` (`problem_category_code`, `problem_category_description`) VALUES ('Datatabase', 'Database design or contents.');
INSERT INTO `Problem_Category_Codes` (`problem_category_code`, `problem_category_description`) VALUES ('GUI', 'User Interface.');
INSERT INTO `Problem_Category_Codes` (`problem_category_code`, `problem_category_description`) VALUES ('Middleware', 'Infrastructrure and Architecture');
CREATE TABLE `Problem_Log` (
`problem_log_id` INTEGER PRIMARY KEY,
`assigned_to_staff_id` INTEGER NOT NULL,
`problem_id` INTEGER NOT NULL,
`problem_category_code` VARCHAR(20) NOT NULL,
`problem_status_code` VARCHAR(20) NOT NULL,
`log_entry_date` DATETIME,
`log_entry_description` VARCHAR(255),
`log_entry_fix` VARCHAR(255),
`other_log_details` VARCHAR(255),
FOREIGN KEY (`problem_category_code` ) REFERENCES `Problem_Category_Codes`(`problem_category_code` ),FOREIGN KEY (`assigned_to_staff_id` ) REFERENCES `Staff`(`staff_id` ),FOREIGN KEY (`problem_id` ) REFERENCES `Problems`(`problem_id` ),FOREIGN KEY (`problem_status_code` ) REFERENCES `Problem_Status_Codes`(`problem_status_code` )
);
CREATE TABLE `Problem_Status_Codes` (
`problem_status_code` VARCHAR(20) PRIMARY KEY,
`problem_status_description` VARCHAR(80)
);
INSERT INTO `Problem_Status_Codes` (`problem_status_code`, `problem_status_description`) VALUES ('Reported', 'Reported');
INSERT INTO `Problem_Status_Codes` (`problem_status_code`, `problem_status_description`) VALUES ('Solved', 'Solved');

CREATE TABLE `Product` (
`product_id` INTEGER PRIMARY KEY,
`product_name` VARCHAR(80),
`product_details` VARCHAR(255)
);
CREATE TABLE `Staff` (
`staff_id` INTEGER PRIMARY KEY,
`staff_first_name` VARCHAR(80),
`staff_last_name` VARCHAR(80),
`other_staff_details` VARCHAR(255)
);

CREATE TABLE `Problems` (
`problem_id` INTEGER PRIMARY KEY,
`product_id` INTEGER NOT NULL,
`closure_authorised_by_staff_id` INTEGER NOT NULL,
`reported_by_staff_id` INTEGER NOT NULL,
`date_problem_reported` DATETIME NOT NULL,
`date_problem_closed` DATETIME,
`problem_description` VARCHAR(255),
`other_problem_details` VARCHAR(255),
FOREIGN KEY (`closure_authorised_by_staff_id` ) REFERENCES `Staff`(`staff_id` ),
FOREIGN KEY (`product_id` ) REFERENCES `Product`(`product_id` ),
FOREIGN KEY (`reported_by_staff_id` ) REFERENCES `Staff`(`staff_id` )
);


INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (1, 'Lacey', 'Bosco', 'm');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (2, 'Dameon', 'Frami', 'x');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (3, 'Ashley', 'Medhurst', 'w');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (4, 'Kayla', 'Klein', 'p');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (5, 'Jolie', 'Weber', 'q');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (6, 'Kristian', 'Lynch', 'b');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (7, 'Kenton', 'Champlin', 'p');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (8, 'Magali', 'Schumm', 'd');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (9, 'Junius', 'Treutel', 'j');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (10, 'Christop', 'Berge', 'x');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (11, 'Rylan', 'Homenick', 'x');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (12, 'Stevie', 'Mante', 'j');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (13, 'Lysanne', 'Turcotte', 'i');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (14, 'Kenyatta', 'Klocko', 'e');
INSERT INTO Staff (`staff_id`, `staff_first_name`, `staff_last_name`, `other_staff_details`) VALUES (15, 'Israel', 'Dickens', 'w');

INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (1, 'rose', 'k');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (2, 'yellow', 'q');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (3, 'chat', 'e');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (4, 'wechat', 'r');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (5, 'life', 'q');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (6, 'keep', 'd');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (7, 'messager', 'm');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (8, 'hangout', 'u');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (9, 'twitter', 'z');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (10, 'blog', 'd');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (11, 'snapchat', 'e');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (12, 'doulingo', 'q');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (13, 'learn', 'h');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (14, 'teach', 'n');
INSERT INTO Product (`product_id`, `product_name`, `product_details`) VALUES (15, 'game', 'j');


INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (1, 4, 4, 2, '1978-06-26 19:10:17', '2012-07-22 19:24:26', 'x', 'p');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (2, 8, 3, 10, '1988-11-07 16:09:31', '1973-06-07 04:13:51', 'w', 'p');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (3, 1, 4, 1, '1995-05-14 08:32:56', '1997-02-26 05:06:15', 'r', 'i');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (4, 13, 8, 7, '1973-10-12 10:51:23', '1993-06-19 10:02:59', 'y', 'c');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (5, 4, 12, 11, '1986-11-13 07:30:55', '2013-05-24 20:33:11', 'a', 'k');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (6, 1, 5, 4, '2010-10-05 02:25:37', '1998-07-03 14:53:59', 'p', 'l');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (7, 2, 2, 7, '1996-04-19 15:54:13', '1974-09-20 13:42:19', 'a', 'l');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (8, 2, 4, 1, '1976-12-18 23:54:41', '1982-08-26 10:58:01', 'w', 'f');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (9, 15, 14, 13, '2010-10-11 13:36:00', '1995-06-10 18:41:08', 'i', 'v');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (10, 4, 13, 10, '1993-12-29 23:22:21', '1990-04-13 21:15:50', 'd', 's');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (11, 5, 1, 14, '1970-02-23 17:46:12', '1971-02-06 15:23:23', 'd', 'v');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (12, 6, 9, 2, '1970-05-20 15:38:46', '1997-10-18 20:09:57', 'j', 'c');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (13, 1, 9, 5, '1971-06-15 02:50:52', '2004-06-20 01:08:25', 'c', 'f');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (14, 1, 6, 13, '1977-10-22 15:48:13', '1970-09-05 08:04:43', 's', 's');
INSERT INTO Problems (`problem_id`, `product_id`, `closure_authorised_by_staff_id`, `reported_by_staff_id`, `date_problem_reported`, `date_problem_closed`, `problem_description`, `other_problem_details`) VALUES (15, 7, 9, 10, '1970-10-27 16:35:34', '1999-09-28 21:29:12', 'r', 'm');


INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (1, 11, 11, 'Middleware', 'Solved', '2011-03-13 13:11:57', 't', 'k', 'p');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (2, 11, 8, 'GUI', 'Solved', '1976-03-31 14:03:02', 'a', 'k', 's');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (3, 12, 1, 'GUI', 'Solved', '1974-12-11 01:06:22', 'b', 'j', 'e');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (4, 12, 12, 'GUI', 'Reported', '1993-04-02 11:07:29', 'a', 't', 'b');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (5, 6, 12, 'Middleware', 'Reported', '1976-09-17 09:01:12', 'c', 'n', 'u');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (6, 2, 13, 'GUI', 'Solved', '1983-07-01 02:12:36', 'h', 'g', 'n');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (7, 13, 1, 'Datatabase', 'Solved', '1974-09-13 00:37:26', 's', 'c', 'v');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (8, 4, 15, 'Datatabase', 'Solved', '1999-08-17 00:00:18', 'j', 'h', 'j');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (9, 10, 13, 'GUI', 'Reported', '1993-06-21 22:33:35', 'p', 'i', 'f');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (10, 6, 1, 'Middleware', 'Reported', '2001-05-14 10:03:53', 'd', 'x', 'd');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (11, 1, 8, 'Datatabase', 'Solved', '1973-03-12 16:30:50', 'w', 'k', 'a');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (12, 4, 10, 'Middleware', 'Solved', '1997-08-31 08:19:12', 'c', 'y', 'c');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (13, 6, 10, 'Middleware', 'Reported', '2009-04-10 19:09:30', 'q', 't', 'o');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (14, 8, 4, 'Datatabase', 'Reported', '2011-11-12 23:30:53', 'a', 's', 'c');
INSERT INTO Problem_Log (`problem_log_id`, `assigned_to_staff_id`, `problem_id`, `problem_category_code`, `problem_status_code`, `log_entry_date`, `log_entry_description`, `log_entry_fix`, `other_log_details`) VALUES (15, 5, 7, 'GUI', 'Reported', '1982-11-17 06:05:52', 'v', 'o', 'd');
