Answers for "add a column data.table"

SQL
13

alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
Posted by: Guest on April-08-2020
0

add new column in table

ALTER TABLE vendors
ADD COLUMN phone VARCHAR(15) AFTER name;
Code language: SQL (Structured Query Language) (sql)
Posted by: Guest on May-23-2021

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