add column if not exists mysql

Solutions on MaxInterview for add column if not exists mysql by the best coders in the world

Search
showing results for - "add column if not exists mysql"
Joan
09 Oct 2017
1-- ALTER TABLE tbl_name ADD COLUMN column_name column_definition 
2--		[FIRST|AFTER existing_column];
3ALTER TABLE office ADD COLUMN phone VARCHAR(200) DEFAULT '000' AFTER name;
4ALTER TABLE office ADD COLUMN flag INT(1) FIRST;
5ALTER TABLE office ADD COLUMN last_col INT(2);	-- Last column is default position
6-- ↓ Test it (Fiddle)
Daniel
29 Mar 2016
1SELECT count(*) INTO @EXIST
2FROM INFORMATION_SCHEMA.COLUMNS
3WHERE TABLE_SCHEMA = 'mydatabase'
4  AND COLUMN_NAME = 'mycolumn'
5  AND TABLE_NAME = 'mytable' LIMIT 1;
6
7SET @query = IF (@exist <= 0, 'ALTER TABLE mydatabase.`mytable`  ADD COLUMN `mycolumn` MEDIUMTEXT NULL',
8    'select \' COLUMN EXISTS\' status');
9PREPARE stmt FROM @query;
10EXECUTE stmt;
source
similar questions
mysql insert into if not existsmysql add columnmysql insert if not existsadd column if not existsmysql alter table add columnhow to alter table column name in mysqlmysql add columnsadd new column to the table mysqlalter table add column forigen key mysqlinsert column after column mysqlmysql add column default valuemariadb alter table add column if not exists examplecreate column that already exists mysqlmysql create table if not exists examplesql alter table add column if existspython mysql create table if not existsset column to not null mysqladd column to all tables after first column mysqlset column in all row mysqladd column in mysqmysql add column to tablemysql create table if not exists
queries leading to this page
how to add new columns after specific column in mysqlmysql add columnadd column integer in mysqladd column in mysql with default valuemysql update table add columnemysql add column after anothermysql alter table add columnmysql add column to table before another columnalter table add column before another column mysqlmysql alter table add column default value timestampalter table add column if not exists mysqlmysql alter table add new column with default valuemysql add column at the beginningmysql adding column not exists in columnmysql query add column with default string valueadding column in mysqlmysql add column if doesn 27t existadd field to table mysqlmysql adding columnadding column in table mysqladding new column in existing table mysqladd a column in mysqlalter table add column datetime default mysqlhow to add new column in mysql tablehow to add additional column in mysqladd column mysql default valueadd column in mysql tablecolumn does not exist from insert mysqladd column with comment mysqlmysql add new column with default value from another columnmysql alter table add column default valueadd column in mysqmysql alter table add column firstadd column in mysqladd column with default value mysqlmysql insert column with default valuealter table but before column mysqladd column mysqlmysql add column text defaultadd column mysql after columnmysql alter table add column after default nullmysql add column datetimemysql add another columnmysql alter table add column int default 0add column description in mysqladd column to table sql mysql default valuemysql create columnmysql add column default valueadd columns to mysql tablemysql add column default value stringmysql add new column to table with default valueset column to default value mysqladd column to all tables in database mysqlhow to add new column when table already created in mysqlcreate a new column in mysql default value falsemysql add new column with default nulladd column before another column mysqlmysql add column to table with default valuesql alter table add column if not exists mysqlhow to add column in mysql using pythonadd field to mysql tablemysql add column beginning of tablemysql add new column with default valuemysql adding column to table with default valueadd column in mysql storemysql alter table add column first positionhow to add colum mysqladd column with default value 0 mysqlalter table mysql add column with default valuemysql add default value to columnmysql add column betweenmysql add function column to tablehow to add column in mysql tablemysql add column to existing table with default valueadding new inegrer column in existing table with default value mysqlhow to alter table add column in mysqladd column in mysql in existing tablemysql add column enum defaulthow to add column mysql at the beginninghow to add column in mysql with default valueadd column to table mysql without default datetime valueinsert column into table mysqladd default value to column in mysqlalter table add column after another column mysqladd colum mysqlhow to add another column to table in mysqladd new column to the table mysqlmysql add column from another table querymysql add column generatedmysql add column if not existsmysql alter table add column with default valuehow to add a column in mysqlmysql add column in query from another tablemysql add column default stringmysql add column after another columnadd data in column mysqlhow to create a column in mysqlhow to add column in existing table mysqlmysql alter table add column before default nullmysql alter table add colummysql alter table add colum intadd column it not exists mysqlhow to alter a table and add one column into it in mysqladd column with a default value mysqlalter table add column mysqladd new column after specific column in mysqladd column in mysql after specific columnadd column to table in mysqlmysql alter table add default value to columnmysql insert columnadd column to table mysql with default valuemysql add or 22add column 22add column if not exists mysqlmysql add column before firstmysql add column aftercustom column with default value in mysqlmysql add field with default valuealter table mysql add columncreate column if not exists mysqladd column in mysql querymysql how to set column default value to another columnmysql create column statementalter column if not exists in mysqlmysql add columnsmysql alter table add column default nullmysql select add column from another tableadd column if column exists mysqlmy sql add column after anotheradd column mysql with default valuemysql alter table add column bit default valueadd column mysql if not existscreate column in mysqlhow to add column in mysql in existing tablemysql add column beforeadd cloumn in mysqlmysql insert column from another tablemysql add new columnadd column to mysql tableadd new columns to mysql tablemysql add column if not exists existsmysql add column with default valuehow to add column in mysqladd column alter table mysqladd column to table mysqlalter table add column datetime default now mysqlmysql add column datealter table add column mysql with default valuehow to add column before another column in mysqlhow to add a new column in mysqladd set 28 29 column mysqlmysql alter table add column aftermysql add new column with default value descriptionmysql add column default current datemysql add column after specific columnadd column to all tables after first column mysqlinsert column mysqladd a collumn in mysql defaultadd column values in mysqlhow to insert id column if not exists mysql tableadd a new column in mysql default value falsehow to insert the column of one mysql to another tableadd column after another column in mysqladd column before another column in mysqlmysql alter add column firstmysql addin new column with valueadd column if not exit mysqlmysql add column if not existmysql add colum to tableadd column if not exists mysql