Does higher rows count in mysql explain means good or bad?...

Logic - Java programming do-while loops...

Trouble understanding how to get rid of a table scan in a basic MYSQL explain example...

EXPLAIN in postgresql not working...

Optimize MySQL indexes to query in less than a second...

How can I make this query run faster in postgres...

optimizing a Slow MySQL query using EXPLAIN output...

Could someone tell me what this code does bit for bit?...

MySQL - How can I know my query is tuned?...

Why is an index not used on a LIKE query with wildcards?...

Explain - inserts only one row...

MySQL slow query using filesort...

Issue with MySQL explain plan, multiple-field indices and OR clause...

Reduce row scan of update query without using index...

Slow mysql query with LEFT-JOIN...

MySQL EXPLAIN EXTENDED filtered column (obviously it's not a percentage)...

db2 explain stored procedure...

How to properly use indexing in MySQL...

Need some help deciphering MYSQL EXPLAIN output for complex join...

Does rows in mysql explain mean that the table is not properly indexed?...

MySQL show used index in query...

How to make Sqlite use an index for ordering on multiple columns in the case of multiple selection f...

making it so primary key + constant can use index...

Effect of renaming table column on explain/execution plans...

Oracle SQL: additional restriction causes performance issues...

Almost equal queries give different execution times...

Understanding simple PostgreSQL EXPLAIN...

fix Using index, Using temporary, Using filesort...

Why does mysql show 2 different results on 2 different servers for the same query...

Using EXPLAIN or INDEX in MySQL...