Github user hyunsik commented on a diff in the pull request:
https://github.com/apache/tajo/pull/618#discussion_r33929844
--- Diff: tajo-docs/src/main/sphinx/sql_language/alter_table.rst ---
@@ -0,0 +1,99 @@
+************************
+ALTER TABLE Statement
+************************
+
+========================
+RENAME TABLE
+========================
+
+*Synopsis*
+
+.. code-block:: sql
+
+ ALTER TABLE <table_name> RENAME TO <new_table_name>
+
+ For example:
+ ALTER TABLE table1 RENAME TO table2;
+
+This statement lets you change the name of a table to a different name.
+
+========================
+RENAME COLUMN
+========================
+
+*Synopsis*
+
+.. code-block:: sql
+
+ ALTER TABLE <table_name> RENAME COLUMN <column_name> TO <new_column_name>
+
+ For example:
+ ALTER TABLE table1 RENAME COLUMN id TO id2;
+
+This statement will allow users to change a column's name.
+
+========================
+ADD COLUMN
+========================
+
+*Synopsis*
+
+.. code-block:: sql
+
+ ALTER TABLE <table_name> ADD COLUMN <column_name> <data_type>
+
+ For example:
+ ALTER TABLE table1 ADD COLUMN id text;
+
+This statement lets you add new columns to the end of the existing column.
+
+========================
+SET PROPERTY
+========================
+
+*Synopsis*
+
+.. code-block:: sql
+
+ ALTER TABLE <table_name> SET PROPERTY (<key> = <value>, ...)
+
+ For example:
+ ALTER TABLE table1 SET PROPERTY 'timezone' = 'GMT-7'
+ ALTER TABLE table1 SET PROPERTY 'text.delimiter' = '&'
+ ALTER TABLE table1 SET PROPERTY
'compression.type'='RECORD','compression.codec'='org.apache.hadoop.io.compress.SnappyCodec'
+
+
+This statement will allow users to change a table's properties.
--- End diff --
'change a table property' would be better.
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