Database lookup slow or not populating values some time

This is really a "it depends" kind of answer based on a variety of factors (i.e. the complexity of the stored procedures/lookups). Forms does ...

$lookup is super slow despite the from collection being empty

The explain plan clearly states that the time taken is around 35 seconds and the documents returned are 100000 . One reason behind this is ...

session running slow due to empty look up table - Informatica Network

My session was running really slow. When looking at the logs we found that the one of the lookup transformations is taking a lot of time.

Solved: Lookup query runs very slow - Experts Exchange

I'm having a serious performance problem caused by the lookups: the lookup time seems to increase when the user enters more records in the grid.

Why is this query sometimes slow, and what can I do to make it faster?

Table size is not totally irrelevant. Probably the variations in performance comes from sometimes finding the data in cache (the buffer_pool), ...

Slow $lookup performance - Working with Data - MongoDB

If your index is on src and type and the field name is source or source_id then do not be surprised if it is slow and your index is not used.

A developer is loading data from a database and the query ... - Quora

First thing he should do is profile the code, and determine if the slowness is in the database. If it is, see if your queries are getting ...

Why Full Text's CONTAINS Queries Are So Slow

This isn't a big deal for small text data sets, like under 10GB, but as your data grows linearly, your query time goes up linearly too. By the ...

Query running slow sometimes - Oracle Forums

We are having one reporting query which normally completes in an hour, but in some specific days, its running for more than 1hr in production DB.

How to tell if your SQL queries will be slow before running ... - Quora

Most database engines have some notion of a “slow query log” that you can examine if queries are taking longer than a certain time to complete.

Lookup Cache creation takes long time. - Spiceworks Community

Did you try by dropping the indexes on the Target and keep the data in sorted order for the Primary Key and then try again. As with every Insert ...

Slow Query on Reporting - Ignition - Inductive Automation Forum

Is your database on the same machine as your Gateway? If so, consider moving it. Databases like lots of lots of RAM for themselves and they like ...

ExecuteSQL query is very slow - Cloudera Community - 152914

But if you are adding entries to the lookup table (as it appears you might be from your description) or if new entries will not have strictly ...

Post-process / Base search is slow - Splunk Community

I've base search / post process as follows, but it is taking more time than separate in-line query. ... Values by Results. Even if you wanted to use two ...

Slow Query when no data is returned - MongoDB

Thank you for explaining the working. I am facing a problem with no records situation, when the data is present the query response time is very ...

Slow Query - Ask TOM

Slow Query We have queries in the database as follows. The reason the queries are built this way is to obtain a result set depending on the where conditon ...

improving lookup and inputlookup performance - Splunk Community

This variant is quite slow with taking about 5 minutes to search 2 minutes of events, even on historical data. Adding non-null filters like where "isnotnull( ...

Why is power query so slow? : r/PowerBI - Reddit

PQ is slow because of how caching doesn't work and how it executes everything every time. Let me tell it when to pull new data or if I change ...

Solved: DB Toolset - Slow Query - NI Community

You can try to fetch all and see if the speed is comparable. You can also limit the search more (LIMIT 1000) and view the table chunks at a time ...

SQL Slowdown? - Ignition - Inductive Automation Forum

I have not seen the slow down but based on the description given to me… After filling in a number of tables, the data entry step will slow down.