[chore] Switch delimiter in example #2572 (#2598)

Author: thompson-tomo

docs/database/sql-server.md

@@ -38,7 +38,7 @@ Spans representing calls to Microsoft SQL Server adhere to the general [Semantic
 
 | Attribute  | Type | Description  | Examples  | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Stability |
 |---|---|---|---|---|---|
-| [`db.namespace`](/docs/registry/attributes/db.md) | string | The database associated with the connection, qualified by the instance name. [1] | `instance1.products`; `customers` | `Conditionally Required` If available without an additional network call. | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
+| [`db.namespace`](/docs/registry/attributes/db.md) | string | The database associated with the connection, qualified by the instance name. [1] | `instance1\|products`; `customers` | `Conditionally Required` If available without an additional network call. | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
 | [`db.response.status_code`](/docs/registry/attributes/db.md) | string | [Microsoft SQL Server error](https://learn.microsoft.com/sql/relational-databases/errors-events/database-engine-events-and-errors) number represented as a string. [2] | `102`; `40020` | `Conditionally Required` If response has ended with warning or an error. | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
 | [`error.type`](/docs/registry/attributes/error.md) | string | Describes a class of error the operation ended with. [3] | `timeout`; `java.net.UnknownHostException`; `server_certificate_invalid`; `500` | `Conditionally Required` If and only if the operation failed. | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
 | [`server.port`](/docs/registry/attributes/server.md) | int | Server port number. [4] | `80`; `8080`; `443` | `Conditionally Required` [5] | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |

model/database/spans.yaml

@@ -169,7 +169,7 @@ groups:
           Instrumentation SHOULD document if `db.namespace` reflects the database provided when the connection was established.
 
           It is RECOMMENDED to capture the value as provided by the application without attempting to do any case normalization.
-        examples: ["instance1.products", "customers"]
+        examples: ['instance1\|products', 'customers']
       - ref: db.response.status_code
         brief: >
           [Microsoft SQL Server error](https://learn.microsoft.com/sql/relational-databases/errors-events/database-engine-events-and-errors) number