MySQL replace command : Replace « Function « SQL / MySQL

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SQL / MySQL » Function » Replace 
MySQL replace command


Drop table CDs;

CREATE TABLE CDs (
   CDID SMALLINT NOT NULL PRIMARY KEY,
   CDName VARCHAR(50NOT NULL,
   InStock SMALLINT UNSIGNED NOT NULL,
   Category VARCHAR(20)
);


INSERT INTO CDs
VALUES (101'Blood', 10'Rock'),
       (102'Jazz', 17'Jazz'),
       (103'Class', 9'Classical'),
       (104'Violin', 24, NULL),
       (105'Blues', 2'Blues'),
       (106'Tires', 12'Country'),
       (107'Essence', 5'New Age'),
       (108'Magic', 42'Classical'),
       (109'Name', 20'Opera'),
       (110'Fire', 23'Country'),
       (111'Live', 18'Jazz'),
       (112'Blues', 22'Blues'),
       (113'Stages', 42'Blues');



CREATE TABLE CDs2a
(
   CDID SMALLINT NOT NULL PRIMARY KEY,
   CDName VARCHAR(5NOT NULL,
   InStock SMALLINT UNSIGNED NOT NULL
)
SELECT CDID, CDName, InStock
FROM CDs
WHERE Category='Blues' OR Category='Jazz';

  
REPLACE INTO CDs2
SELECT CDID, CDName, InStock
FROM CDs
WHERE Category='Country' OR Category='Rock';


select from CDs2;
           
       
Related examples in the same category
1. Call REPLACE function in select clause
2. Call concat and replace
3. Do calculation in select clause
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