VARIANCE_SAMP,VARIANCE_SAMP
VARIANCE_SAMP,VARIANCE_SAMPβ
Descriptionβ
Syntaxβ
VAR SAMP (expr)
Returns the sample variance of the expr expression
exampleβ
MySQL > select var_samp(scan_rows) from log_statis group by datetime;
+-----------------------+
| var_samp(`scan_rows`) |
+-----------------------+
| 5.6227132145741789 |
+-----------------------+
keywordsβ
VAR SAMP, VARIANCE SAMP,VAR,SAMP,VARIANCE
