Answers for "delete column"

SQL
8

drop columnsql

ALTER TABLE table_name
DROP COLUMN column_name
Posted by: Guest on December-23-2020
19

alter table delete column

ALTER TABLE "table_name" DROP "column_name";
Posted by: Guest on February-05-2020
0

remove name of a column

M
      a b c
1[1,] 1 4 7
2[2,] 2 5 8
3[3,] 3 6 9

row.names(M)<- NULL ; colnames(M)<- NULL
M

     [,1] [,2] [,3]
[1,]    1    4    7
[2,]    2    5    8
[3,]    3    6    9
Posted by: Guest on May-25-2021

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