October 2011
Intermediate to advanced
184 pages
3h 40m
English
Content preview from Effective MySQL Optimizing SQL Statements
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Index
A
aggregation
identifying problematic SQL statements, 115–117
of left columns in multi column index, 63
supporting with indexes, 28
ALTER statements
combining statements into one SQL, 124–125
impact of adding indexes, 73–74
performance overhead of, 5
ALTER TABLE statement, 74
analysis commands
EXPLAIN, 10–13
INFORMATION_SCHEMA, 20–21
overview of, 9–10
SHOW CREATE TABLE, 13
SHOW INDEXES, 14–15
SHOW STATUS, 17–19
SHOW TABLE STATUS, 15–17
SHOW VARIABLES, 19–20
analysis, of SQL statements, 121
ANALYZE table command, 77
ANSI SQL statement, 20
applications
adding caching to, 136
capturing SQL statements with code, 112–113
ARCHIVE storage engine, ...
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