To change the default sequence for a column, the column must already have a default sequence. You cannot use the commandALTERTABLE...SETDEFAULT<seq_name>to add a sequence to a column that does not already have a sequence. If you alter a table to add a column with aDEFAULTvalue, then yo...
Syntax for inline constraints CREATETABLE<name>(<col1_name><col1_type>[NOTNULL]{inlineUniquePK|inlineFK}[,<col2_name><col2_type>[NOTNULL]{inlineUniquePK|inlineFK}][,...])ALTERTABLE<name>ADDCOLUMN<col_name><col_type>[NOTNULL]{inlineUniquePK|inlineFK} Where: inlineUniquePK::=[CONSTRAI...
ALTER TABLE ADD PARTITION ALTER TABLE CHANGE COLUMN ALTER TABLE DROP PARTITION ALTER TABLE RENAME PARTITION ALTER TABLE REPLACE COLUMNS ALTER TABLE SET LOCATION ALTER TABLE SET TBLPROPERTIES ALTER VIEW DIALECT CREATE DATABASE CREATE TABLE CREATE TABLE AS ...
ALTER TABLE ADD PARTITION ALTER TABLE CHANGE COLUMN ALTER TABLE DROP PARTITION ALTER TABLE RENAME PARTITION ALTER TABLE REPLACE COLUMNS ALTER TABLE SET LOCATION ALTER TABLE SET TBLPROPERTIES ALTER VIEW DIALECT CREATE DATABASE CREATE TABLE CREATE TABLE AS ...
tableCommentAction ::= { ALTER | MODIFY [ ( ] [ COLUMN ] <col1_name> COMMENT '<string>' , [ COLUMN ] <col1_name> UNSET COMMENT [ , ... ] [ ) ] } dataGovnPolicyTagAction ::= { ADD ROW ACCESS POLICY <policy_name> ON ( <col_name> [ , ... ] ) | DROP ROW ACCESS ...
Syntax ALTER TABLE [db_name.]table_name DROP COLUMN col_name Beispiel ALTER TABLE iceberg_table DROP COLUMN userid Nächstes Thema:ALTER TABLE CHANGE COLUMN Vorheriges Thema:ALTER TABLE ADD COLUMNS Brauchen Sie Hilfe? Versuchen Sie es mit AWS re:Post Einen AWS IQ-Experten kontaktieren ...