append column sql
ALTER TABLE table_name
ADD column_name datatype;
--example
ALTER TABLE Customers
ADD Email varchar(255);append column sql
ALTER TABLE table_name
ADD column_name datatype;
--example
ALTER TABLE Customers
ADD Email varchar(255);sql rename column
-- Oracle, MySQL 8+
ALTER TABLE table_name RENAME COLUMN current_name TO new_name;
-- MySQL < 8:
ALTER TABLE table_name CHANGE current_name new_name datatype(length);
-- SQL Server:
EXEC SP_RENAME 'table_name.current_name' , 'new_name', 'COLUMN'rename column name sql server
EXEC sp_RENAME 'table_name.old_name', 'new_name', 'COLUMN'rename column sql
ALTER TABLE nom_table
RENAME COLUMN colonne_ancien_nom TO colonne_nouveau_nomsql change column name based on value
SELECT CASE lower(col1)
WHEN 'agree' THEN 'Ok'
ELSE
CASE
WHEN col2 = 1 THEN 'Ko'
ELSE 'Maybe'
END
END AS my_result
FROM table_name;change column name sql
ALTER TABLE `db_name`.`table_name`
CHANGE `current_column_name` `new_column_name` datatype(size) NOT NULL COMMENT '';Copyright © 2021 Codeinu
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