提交 735f3467 authored 作者: Thomas Mueller Graf's avatar Thomas Mueller Graf

Documentation

上级 7ce90b13
......@@ -105,9 +105,9 @@ ALTER TABLE tableName ALTER COLUMN columnName
Changes the data type of a column, rename a column,
change the identity value, or change the selectivity."
"Commands (DDL)","ALTER TABLE DROP COLUMN","
ALTER TABLE tableName DROP COLUMN [ IF EXISTS ] columnName
ALTER TABLE tableName DROP COLUMN [ IF EXISTS ] ( columnName [,...] )
","
Removes a column from a table."
Removes column(s) from a table."
"Commands (DDL)","ALTER TABLE DROP CONSTRAINT","
ALTER TABLE tableName DROP { CONSTRAINT [ IF EXISTS ] constraintName | PRIMARY KEY }
","
......
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