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add alter table add field example #939

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Merged
CritasWang merged 1 commit into from
Dec 26, 2025
Merged

add alter table add field example #939

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1 change: 1 addition & 0 deletions src/UserGuide/Master/Table/Basic-Concept/Table-Management.md
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Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,7 @@ ALTER TABLE (IF EXISTS)? tableName=qualifiedName ADD COLUMN (IF NOT EXISTS)? col

```SQL
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS a TAG
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS b FLOAT FIELD COMMENT 'b'
ALTER TABLE tableB set properties TTL=3600
COMMENT ON TABLE table1 IS 'table1'
COMMENT ON COLUMN table1.a IS null
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1 change: 1 addition & 0 deletions src/UserGuide/latest-Table/Basic-Concept/Table-Management.md
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Original file line number Diff line number Diff line change
Expand Up @@ -281,6 +281,7 @@ ALTER TABLE (IF EXISTS)? tableName=qualifiedName ADD COLUMN (IF NOT EXISTS)? col

```SQL
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS a TAG
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS b FLOAT FIELD COMMENT 'b'
ALTER TABLE tableB set properties TTL=3600
COMMENT ON TABLE table1 IS 'table1'
COMMENT ON COLUMN table1.a IS null
Expand Down
1 change: 1 addition & 0 deletions src/zh/UserGuide/Master/Table/Basic-Concept/Table-Management.md
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,7 @@ ALTER TABLE (IF EXISTS)? tableName=qualifiedName ADD COLUMN (IF NOT EXISTS)? col

```SQL
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS a TAG COMMENT 'a'
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS b FLOAT FIELD COMMENT 'b'
ALTER TABLE tableB set properties TTL=3600
COMMENT ON TABLE table1 IS 'table1'
COMMENT ON COLUMN table1.a IS null
Expand Down
1 change: 1 addition & 0 deletions src/zh/UserGuide/latest-Table/Basic-Concept/Table-Management.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,7 @@ ALTER TABLE (IF EXISTS)? tableName=qualifiedName ADD COLUMN (IF NOT EXISTS)? col

```SQL
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS a TAG COMMENT 'a'
ALTER TABLE tableB ADD COLUMN IF NOT EXISTS b FLOAT FIELD COMMENT 'b'
ALTER TABLE tableB set properties TTL=3600
COMMENT ON TABLE table1 IS 'table1'
COMMENT ON COLUMN table1.a IS null
Expand Down