Answers for "how to know if a Mysql table is blank"

SQL
1

mysql empty a table

-- If you do not need a condition or limit the rows:
TRUNCATE TABLE tblYourTable; -- Not Foreign key constrained

-- Or

SET FOREIGN_KEY_CHECKS = 0;

TRUNCATE YourTable1;
TRUNCATE YourTable2;

SET FOREIGN_KEY_CHECKS = 1;

-- --------------------------------------------------------
-- Otherwise:
DELETE FROM tblYourTable WHERE condition;

-- Or

DELETE FROM tblYourTable LIMIT row_count;
Posted by: Guest on May-11-2020
0

not equal to blank in mysql

SELECT name 
from   products p
WHERE  backorder IS NULL OR backorder <> 2
Posted by: Guest on April-16-2021

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