Data cleaning: Difference between revisions
add verify the field value |
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# MySQL: {{kbd | key = SELECT * FROM table_name WHERE LENGTH(TRIM( column_name )) != 0;}} [http://sqlfiddle.com/#!2/f491c/1/0 demo] | # MySQL: {{kbd | key = SELECT * FROM table_name WHERE LENGTH(TRIM( column_name )) != 0;}} [http://sqlfiddle.com/#!2/f491c/1/0 demo] | ||
== verify the field value == | == verify the format of field value == | ||
email: | email: | ||
* EXCEL: {{kbd | key =<nowiki>=IF(ISERR(FIND("@", A2, 1)), FALSE, TRUE)</nowiki>}} only check the field if contains @ symbol or not | * EXCEL: {{kbd | key =<nowiki>=IF(ISERR(FIND("@", A2, 1)), FALSE, TRUE)</nowiki>}} only check the field if contains @ symbol or not | ||