pgsql rename column code example

Example 1: psql filed name alter

ALTER TABLE table_name 
RENAME column_name TO new_column_name;

Example 2: rename column postgres

ALTER TABLE customers 
RENAME COLUMN name TO customer_name;

ALTER TABLE customers
RENAME COLUMN phone TO contact_phone;

Example 3: rename column mysql

ALTER TABLE tableName CHANGE `oldcolname` `newcolname` datatype(length);
(you can remove the backticks if it doesn't work)

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