hive-alter-table

Hive Alter Table
Hive Alter Table
 



ALTER TABLE {OLD TABLE NAME} RENAME TO {NEW TABLE NAME}
ALTER TABLE CHANGE {OLD COLUMN NAME} {NEW COLUMN NAME} {NEW COLUMN TYPE}
ALTER TABLE {TABLE NAME} DROP COLUMN {COLUMN NAME}
ALTER TABLE {TABLE NAME} ADD COLUMNS ( NEW COLUMN NAME DATATYPE, NEW COLUMN NAME2 DATATYPE,...)
ALTER TABLE {TABLE NAME} REPLACE COLUMNS ( ORDER OF EXISTING COLUMNS WITH NEW COLUMNS AND THEIR TYPES )

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