Update docs about indexing (#3734)

Signed-off-by: Anastasiia Tovpeko <[email protected]> Co-authored-by: Iain Cox <[email protected]> Co-authored-by: Mats Kindahl <[email protected]>
timescale · Jan 31, 2025 · 741853b · 741853b
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diff --git a/use-timescale/schema-management/about-indexing.md b/use-timescale/schema-management/about-indexing.md
@@ -11,8 +11,9 @@ Because looking up data can take a long time, especially if you have a lot of
 data in your hypertable, you can use an index to speed up read operations from
 non-compressed chunks (which use their [own columnar indexes][about-compression]).
 
-You can create an index on any combination of columns, as long as you include 
-the `time` column, for time-series data. Which column you choose to create your
+You can create an index on any combination of columns. To define an index as a `UNIQUE` or `PRIMARY KEY` index, it must include the partitioning column (this is usually the time column). 
+
+Which column you choose to create your
 index on depends on what kind of data you have stored.
 When you create a hypertable, set the datatype for the `time` column as
 `timestamptz` and not `timestamp`.
@@ -97,7 +98,7 @@ different queries. Here are some examples:
 SELECT * FROM devices WHERE store_id = x
 ```
 
-This queries the portion of the list with a specific store_id. The index is
+This queries the portion of the list with a specific `store_id`. The index is
 effective for this query, but could be a bit bloated; an index on just
 `store_id` would probably be more efficient.
 

diff --git a/use-timescale/schema-management/indexing.md b/use-timescale/schema-management/indexing.md
@@ -8,8 +8,7 @@ keywords: [hypertables, indexes]
 # Indexing data
 
 You can use an index on your database to speed up read operations. You can
-create an index on any combination of columns, as long as you include the `time`
-column, for time-series data. Timescale supports all table objects supported
+create an index on any combination of columns. Timescale supports all table objects supported
 within PostgreSQL, including data types, indexes, and triggers.
 
 You can create an index using the `CREATE INDEX` command. For example, to create