add column table sql default value
ALTER TABLE users
ADD visit_number INT DEFAULT 0;add column table sql default value
ALTER TABLE users
ADD visit_number INT DEFAULT 0;how to add default constraint in mysql
ALTER TABLE "name_table" ALTER "name_column"
SET DEFAULT value_default;sql add column with default value
ALTER TABLE {TABLENAME}
ADD {COLUMNNAME} {TYPE} {NULL|NOT NULL}
CONSTRAINT {CONSTRAINT_NAME} DEFAULT {DEFAULT_VALUE}
WITH VALUES
example
ALTER TABLE SomeTable
ADD SomeCol Bit NULL --Or NOT NULL.
CONSTRAINT D_SomeTable_SomeCol --When Omitted a Default-Constraint Name is autogenerated.
DEFAULT (0)--Optional Default-Constraint.
WITH VALUES --Add if Column is Nullable and you want the Default Value for Existing Records.Copyright © 2021 Codeinu
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