Answers for "sql alter table modify column"

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

Source

sqlserver add column to table

ALTER TABLE dbo.doc_exa 
ADD column_b VARCHAR(20) NULL, 
	column_c INT NULL ;

Posted by: Guest on April-08-2020

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

Source

sql change column in existing table

'This adds 'NOT NULL' to excisting column counting in the table mytable'
ALTER TABLE mytable ALTER COLUMN counting INT NOT NULL;

Posted by: Guest on December-09-2020

alter table query sql server change column

sp_rename 'table_name.old_column_name', 'new_column_name', 'COLUMN';

Posted by: Guest on February-17-2021

Source

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