MySQL Optimization—Code Example to View Field Length
- 黄舟Original
- 2017-03-10 09:58:201110browse
MySQL Optimization—Code Example to View Field Length:
CREATE TABLE tmp13(vb VARBINARY(10)) INSERT INTO tmp13 (vb) VALUES(12) SELECT LENGTH(vb) FROM tmp13 INSERT INTO tmp13 (vb) VALUES(1212)
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