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sql change column

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Innocent Iguana answered on May 7, 2020 Popularity 9/10 Helpfulness 5/10

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sql change column

Comment

-- Change column type
ALTER TABLE table_name
ALTER COLUMN some_col VARCHAR(250);

-- Change column name
ALTER TABLE table_name
RENAME COLUMN old_column_name TO new_column_name;

-- Change column values
UPDATE table_name
SET col_name=LOWER(col_name);

-- Add column
ALTER TABLE table_name
ADD COLUMN new_col INTEGER;

-- DELETE column
ALTER TABLE table_name
DROP COLUMN col_name;

Popularity 9/10 Helpfulness 5/10 Language sql

Source: Grepper

Tags: sql

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Contributed on Feb 17 2024

Innocent Iguana

0 Answers Avg Quality 2/10

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sql change column types

Comment

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

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

Popularity 10/10 Helpfulness 10/10 Language sql

Source: Grepper

Tags: column-types column-typ

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Contributed on May 07 2020

Akariuz

0 Answers Avg Quality 2/10

sql server alter column

Comment

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Popularity 10/10 Helpfulness 8/10 Language sql

Source: www.sqlservertutorial.net

Tags: alter-column alter-colu

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Contributed on Jun 01 2020

Weary Wryneck

0 Answers Avg Quality 2/10

SQL Modify Column in a Table

Comment

#SQL Server

ALTER TABLE Customers
ALTER COLUMN age VARCHAR(2);

#MySQL

ALTER TABLE Customers
MODIFY COLUMN age VARCHAR(2);

#Oracle

ALTER TABLE Customers
MODIFY age VARCHAR(2);

#PostgreSQL

ALTER TABLE Customers
ALTER COLUMN age TYPE VARCHAR(2);

Popularity 10/10 Helpfulness 6/10 Language sql

Source: Grepper

Tags: sql

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Contributed on May 22 2022

SAMER SAEID

0 Answers Avg Quality 2/10

alter table query sql server change column

Comment

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

Popularity 10/10 Helpfulness 5/10 Language sql

Source: www.techonthenet.com

Tags: alter-table alte

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Contributed on Feb 17 2021

Fierce Falcon

0 Answers Avg Quality 2/10

sql change column in existing table

Comment

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

Popularity 10/10 Helpfulness 4/10 Language sql

Source: Grepper

Tags: sql

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Contributed on Dec 09 2020

Kesuaheli

0 Answers Avg Quality 2/10

alter table query sql server change column

Comment

-1

ALTER TABLE table_name
  ALTER COLUMN column_name column_type;

Popularity 10/10 Helpfulness 4/10 Language sql

Source: www.techonthenet.com

Tags: alter-table alte

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Contributed on Feb 17 2021

Fierce Falcon

0 Answers Avg Quality 2/10

sql alter column

Comment

Changes the data type of a table’s column.
Example: In the ‘users’ table, make the column ‘incept_date’ into a
‘datetime’ type.
ALTER TABLE users
ALTER COLUMN incept_date datetime;

Popularity 10/10 Helpfulness 3/10 Language sql

Source: Grepper

Tags: alter-column alter-colu

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Contributed on Jan 07 2021

Lorenzo Satta Chiris

0 Answers Avg Quality 2/10

SQL Modify Column in a Table -SQL Server

Comment

ALTER TABLE Customers
ALTER COLUMN age VARCHAR(2);

Popularity 10/10 Helpfulness 3/10 Language sql

Source: Grepper

Tags: sql

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Contributed on May 22 2022

SAMER SAEID

0 Answers Avg Quality 2/10

alter table query sql server change column

Comment

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

Popularity 10/10 Helpfulness 2/10 Language sql

Source: www.techonthenet.com

Tags: alter-table alte

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Contributed on Feb 17 2021

Fierce Falcon

0 Answers Avg Quality 2/10

sql change column

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sql change column types

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sql change column in existing table

alter table query sql server change column

sql alter column

SQL Modify Column in a Table -SQL Server

alter table query sql server change column

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