Please follow the images,
Here the table verblist contains the value 'beat' in column baseVerb
But still on executing select query "SELECT * FROM datavaldb.verblist where baseVerb = 'beat';"
It is not returning anything. Any help?
In the data import procedures I have, I get external raw data and import it into tables. I don't just overwrite the data, even if it is only from one source, but before I allow an update, I check if the current and raw value of a field of a record have the same value. I only update the field with...
I am actually can not understand the real advatage or killer feature of MongoDB storage.
As I understand currently MongoDB implements exclusive per-database write lock that is even worse from the concurrency point of view than per-table write locks of MySQL's MyISAM storage engine.
Also MongoDB...
Our DBA has some type of process set up to monitor deadlocks and sends out an email when a deadlock occurs. We have been testing read committed snapshot isolation on our application for a couple months because the performance problems we have been having are definitely related to locking. Everyth...
A native full backup of msdb on a SQL Server 2005 Enterprise instance (9.0.4053) deployed on a two-node Win2K3 cluster (Microsoft Windows NT 5.2 (3790)) is currently stuck in rollback.
The DB is in Simple recovery mode but the Tlog is full. Attempts to add secondary Tlogs are failing due to a 3...
On a SQL Server 2005 Enterprise edition server, an index has been dropped from a view. When running a select * query that includes this view, no results are shown. In addition, the execution plan references this index on the view (that no longer exists). By adding the EXPAND VIEWS option to th...
We have two SQL servers (source and destination). From what little information I've got, it seems to literally copy content from one server/database to another using a SSIS package (which I unfortunately am unable to find to open in BIDS)
I can't access the source server (please don't ask why!)....
My partitioned table SELECT queries include all partitioned tables even though checks are in place and constraint_exclusion = on.
The insert trigger works fine and new rows are inserted into the correct tables. The SELECT however runs over all tables regardless of my WHERE clause.
Here is my c...
Let's assume a query like the following as typical:
select
A.`date` as `date`,
count(*) as N
from A as A
join B as B
on B.id = A.b_id
join C as C
on C.id = B.c_id
join D as D
on D.id = C.d_id
where
year(A.`date`) = 2012
and B.x = 0
and C.y = 1
and D.z = "a"
group by `date`
;
...