SELECT

t.NAME AS TableName,

i.name as indexName,

sum(p.rows) as RowCounts,

sum(a.total_pages) as TotalPages,

sum(a.used_pages) as UsedPages,

sum(a.data_pages) as DataPages,

(sum(a.total_pages) * 8) / 1024 as TotalSpaceMB,

(sum(a.used_pages) * 8) / 1024 as UsedSpaceMB,

(sum(a.data_pages) * 8) / 1024 as DataSpaceMB

FROM

sys.tables t

INNER JOIN

sys.indexes i ON t.OBJECT_ID = i.object_id

INNER JOIN

sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id

INNER JOIN

sys.allocation_units a ON p.partition_id = a.container_id

WHERE

t.NAME NOT LIKE 'dt%' AND

i.OBJECT_ID > 255 AND

i.index_id <= 1

GROUP BY

t.NAME, i.object_id, i.index_id, i.name

ORDER BY

object_name(i.object_id)

CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';

sample

create user 'LARGECO' identified by "xxx

Q:What is the estimated MySQL execution cost for joining LGINVOICE and LGCUSTOMER and returning CUST_LNAME, INV_NUM and INV_TOTAL within LARGECO for a non-cached query?