Add column in sql

Sqlserver add column to table

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

Alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;

Sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Source: sqlservertutorial.net

Create column sql server

ALTER TABLE table_name
ADD column_name datatype;

Append column sql

ALTER TABLE table_name
ADD column_name datatype;--exampleALTER TABLE CustomersADD Email varchar(255);

Add column in sql

ALTER TABLE `fb_banners`
ADD `city_id` BIGINT(20) UNSIGNED NULL DEFAULT NULL AFTER `BannerID`,
ADD INDEX `Foreign_city_id_banners` (`city_id`) USING BTREE,
ADD CONSTRAINT `Foreign_city_id_banners` FOREIGN KEY (`city_id`) REFERENCES `foodsafari`.`fb_cities` (`id`) ON UPDATE CASCADE ON DELETE CASCADE;

Similar codes

3 votes53 views2 answers
Mysql sum with condition
SQL
0 vote105 views1 answer
Mysql events not work
SQL
23 votes91 views6 answers
ER_NOT_SUPPORTED_AUTH_MODE: Client does not support authentication protocol requested by server; consider upgrading MySQL client
SQL
2 votes96 views2 answers
Postgresql date at timezone
SQL
2 votes110 views1 answer
Sqlite indexes
SQL
3 votes102 views1 answer
Laravel paginate raw sql
SQL
2 votes97 views3 answers
Access denied for user 'root'@'localhost' mariadb
SQL
4 votes116 views1 answer
Oracle nls_date_format
SQL
0 vote97 views1 answer
Postgresql function ROUND
SQL
1 vote106 views1 answer
Varchar plsql
SQL