Answers for "sql alter table change column type"

SQL

sql change column types

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

-- Example
ALTER TABLE product
ALTER COLUMN description VARCHAR(250);

Posted by: Guest on May-07-2020

sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Posted by: Guest on June-01-2020

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alter table query sql server change column

ALTER TABLE table_name
  ALTER COLUMN column_name column_type;

Posted by: Guest on February-17-2021

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alter table query sql server change column

ALTER TABLE employees
  ALTER COLUMN last_name VARCHAR(75) NOT NULL;

Posted by: Guest on February-17-2021

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alter table query sql server change column

sp_rename 'employees.last_name', 'lname', 'COLUMN';

Posted by: Guest on February-17-2021

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alter table query sql server change column

ALTER TABLE table_name
  DROP COLUMN column_name;

Posted by: Guest on February-17-2021

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