Mysql Explain Different Results Same Database

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Mysql Identical query tables but different EXPLAIN and performance. Also remove the old data directory and look that there is no mycnf left.


Mysql Database Subject Id Stack Overflow

Using mysqldump I dumped localh.

. The first output is from my liveremote server 508. Remove all MySQL that is intalled. Mysql Why does IN subquery perform bad.

Mysql convert 1 row as column and concatenate the results to the corresponding column. MySQL Explain gives different result for same query. MySQL looks at the data in the tables as well as the query itself to decide which execution plan to use.

Mysql EXPLAIN output suggests that the index is not being used. Press J to jump to the feed. Mysql select pk from t0.

Same versions of Mysql and the OS Ubuntu Databases synced fully. Mysql Join two. The second is from my local machine.

However I could get different read results of the same query. One mysql instance is showing 11 results from a Select distinct statement. Sql-server Same query plan different data set very different query duration SQL Server 2012.

Localhost seems to function well and gets my results quickly well under 1 secondthanks to help from this board. I think that is close. The main issue I think is the table pricelist_entries which has.

Press question mark to learn the rest of the keyboard shortcuts. ---- pk ---- 0 1 ---- 2 rows in set 000 sec ---- two rows but actually three. When you use source code you.

Materialsarticle_nr_lev pricelist_entriespeArtnr-- Whenever JOINing the datatypes must be the same or close. Mysql Select not repeated results from same tables in different databases. Im going to post the output from mysql in case I wasnt very clear.

MySQL Performance Tuning for MyISAM. Those two value are probably close enough -- same collation mandatory and both VARCHAR. Share answered Feb 26 2009 at 1615 Greg 306k 53.

Then download 5051a and install it. I have 2 databases. But they are of different lengths.

AND VIEWEDBYSIP 2. Even the replica gives different results. In next 10 seconds the same explain command showing different results mysql explain SELECT ID MID VIEWED TYPE FROM MUSER WHERE ID.

Welcome to TouSu Developer Zone-Open Learning and Share Login. If the data is the same in both databases Id suggest using ANALYZE or OPTIMIZE on all the tables in your query. Ive been having some performance issues on my production server.

Explain produces different results on different servers.


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