Merge pull request #185185 from jovanpop-msft/patch-233

Minor changes

Author: PRMerger15

articles/synapse-analytics/sql/overview-features.md

@@ -23,7 +23,7 @@ Consumption models in Synapse SQL enable you to use different database objects.
 
 |   | Dedicated | Serverless |
 | --- | --- | --- |
-| **Tables** | [Yes](/sql/t-sql/statements/create-table-azure-sql-data-warehouse?view=azure-sqldw-latest&preserve-view=true) | No, the in-database tables are not supported. Serverless SQL pool can query only [external tables](develop-tables-external-tables.md?tabs=native) that reference data placed on [Azure Storage](#data-access) |
+| **Tables** | [Yes](/sql/t-sql/statements/create-table-azure-sql-data-warehouse?view=azure-sqldw-latest&preserve-view=true) | No, the in-database tables are not supported. Serverless SQL pool can query only [external tables](develop-tables-external-tables.md?tabs=native) that reference data placed on [Azure Storage](#data-access). |
 | **Views** | [Yes](/sql/t-sql/statements/create-view-transact-sql?view=azure-sqldw-latest&preserve-view=true). Views can use [query language elements](#query-language) that are available in dedicated model. | [Yes](/sql/t-sql/statements/create-view-transact-sql?view=azure-sqldw-latest&preserve-view=true), you can create views over [external tables](develop-tables-external-tables.md?tabs=native) and other views. Views can use [query language elements](#query-language) that are available in serverless model. |
 | **Schemas** | [Yes](/sql/t-sql/statements/create-schema-transact-sql?view=azure-sqldw-latest&preserve-view=true) | [Yes](/sql/t-sql/statements/create-schema-transact-sql?view=azure-sqldw-latest&preserve-view=true), schemas are supported. Use schemas to isolate different tenants and place their tables per schemas. |
 | **Temporary tables** | [Yes](../sql-data-warehouse/sql-data-warehouse-tables-temporary.md?context=/azure/synapse-analytics/context/context) | Temporary tables might be used just to store some information from the system views, literals, or other temporary tables. UPDATE/DELETE on temp table is also supported. You can join temporary tables with the system views. You cannot select data from an external table to insert it into temporary table or join a temporary table with an external table - these operations will fail because external data and temporary tables cannot be mixed in the same query. |
@@ -51,7 +51,7 @@ Query languages used in Synapse SQL can have different supported features depend
 | **UPDATE statement** | Yes | No, update Parquet/CSV data using Spark and the changes will be automatically available in serverless pool. Use Cosmos DB with the analytical storage for highly transactional workloads. |
 | **DELETE statement** | Yes | No, delete Parquet/CSV data using Spark and the changes will be automatically available in serverless pool. Use Cosmos DB with the analytical storage for highly transactional workloads.|
 | **MERGE statement** | Yes ([preview](/sql/t-sql/statements/merge-transact-sql?view=azure-sqldw-latest&preserve-view=true)) | No, merge Parquet/CSV data using Spark and the changes will be automatically available in serverless pool. |
-| **CTAS statement**  | Yes | No, [CREATE TABLE AS SELECT](/sql/t-sql/statements/create-table-as-select-azure-sql-data-warehouse?view=azure-sqldw-latest) statement is not supported in serverless SQL pool. |
+| **CTAS statement**  | Yes | No, [CREATE TABLE AS SELECT](/sql/t-sql/statements/create-table-as-select-azure-sql-data-warehouse?view=azure-sqldw-latest&preserve-view=true) statement is not supported in serverless SQL pool. |
 | **CETAS statement** | Yes, you can perform initial load into an external table using [CETAS](/sql/t-sql/statements/create-external-table-as-select-transact-sql?view=azure-sqldw-latest&preserve-view=true). | Yes, you can perform initial load into an external table using [CETAS](/sql/t-sql/statements/create-external-table-as-select-transact-sql?view=azure-sqldw-latest&preserve-view=true). CETAS supports Parquet and CSV output formats. |
 | **[Transactions](develop-transactions.md)** | Yes | Yes, transactions are applicable only on the meta-data objects. |
 | **[Labels](develop-label.md)** | Yes | No, labels are not supported.  |
@@ -62,8 +62,8 @@ Query languages used in Synapse SQL can have different supported features depend
 | **Built-in/system functions (analysis)** | Yes, all Transact-SQL [Analytic](/sql/t-sql/functions/analytic-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), Conversion, [Date and Time](/sql/t-sql/functions/date-and-time-data-types-and-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), Logical, [Mathematical](/sql/t-sql/functions/mathematical-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true) functions, except [CHOOSE](/sql/t-sql/functions/logical-functions-choose-transact-sql?view=azure-sqldw-latest&preserve-view=true) and [PARSE](/sql/t-sql/functions/parse-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, all Transact-SQL [Analytic](/sql/t-sql/functions/analytic-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), Conversion, [Date and Time](/sql/t-sql/functions/date-and-time-data-types-and-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), Logical, and [Mathematical](/sql/t-sql/functions/mathematical-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true) functions are supported. |
 | **Built-in/system functions ([string](/sql/t-sql/functions/string-functions-transact-sql))** | Yes. All Transact-SQL [String](/sql/t-sql/functions/string-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), [JSON](/sql/t-sql/functions/json-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), and Collation functions, except [STRING_ESCAPE](/sql/t-sql/functions/string-escape-transact-sql?view=azure-sqldw-latest&preserve-view=true) and [TRANSLATE](/sql/t-sql/functions/translate-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes. All Transact-SQL [String](/sql/t-sql/functions/string-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), [JSON](/sql/t-sql/functions/json-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true), and Collation functions are supported. |
 | **Built-in/system functions ([Cryptographic](/sql/t-sql/functions/cryptographic-functions-transact-sql))** | Some | `HASHBYTES` is the only supported cryptographic function in serverless SQL pools. |
-| **Built-in/system table-value functions** | Yes, [Transact-SQL Rowset functions](/sql/t-sql/functions/functions?view=azure-sqldw-latest&preserve-view=true#rowset-functions), except [OPENXML](/sql/t-sql/functions/openxml-transact-sql?view=azure-sqldw-latest&preserve-view=true), [OPENDATASOURCE](/sql/t-sql/functions/opendatasource-transact-sql?view=azure-sqldw-latest&preserve-view=true), [OPENQUERY](/sql/t-sql/functions/openquery-transact-sql?view=azure-sqldw-latest&preserve-view=true), and [OPENROWSET](/sql/t-sql/functions/openrowset-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, all [Transact-SQL Rowset functions](/sql/t-sql/functions/functions?view=azure-sqldw-latest&preserve-view=true#rowset-functions) are supported, except [OPENXML](/sql/t-sql/functions/openxml-transact-sql?view=azure-sqldw-latest&preserve-view=true), [OPENDATASOURCE](/sql/t-sql/functions/opendatasource-transact-sql?view=azure-sqldw-latest&preserve-view=true), and [OPENQUERY](/sql/t-sql/functions/openquery-transact-sql?view=azure-sqldw-latest&preserve-view=true)  |
-| **Built-in/system aggregates** |  Transact-SQL built-in aggregates except, except [CHECKSUM_AGG](/sql/t-sql/functions/checksum-agg-transact-sql?view=azure-sqldw-latest&preserve-view=true) and [GROUPING_ID](/sql/t-sql/functions/grouping-id-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, all Transact-SQL built-in [aggregates](/sql/t-sql/functions/aggregate-functions-transact-sql?view=sql-server-ver15) are supported. |
+| **Built-in/system table-value functions** | Yes, [Transact-SQL Rowset functions](/sql/t-sql/functions/functions?view=azure-sqldw-latest&preserve-view=true#rowset-functions), except [OPENXML](/sql/t-sql/functions/openxml-transact-sql?view=azure-sqldw-latest&preserve-view=true), [OPENDATASOURCE](/sql/t-sql/functions/opendatasource-transact-sql?view=azure-sqldw-latest&preserve-view=true), [OPENQUERY](/sql/t-sql/functions/openquery-transact-sql?view=azure-sqldw-latest&preserve-view=true), and [OPENROWSET](/sql/t-sql/functions/openrowset-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, all [Transact-SQL Rowset functions](/sql/t-sql/functions/functions?view=azure-sqldw-latest&preserve-view=true#rowset-functions) are supported, except [OPENXML](/sql/t-sql/functions/openxml-transact-sql?view=azure-sqldw-latest&preserve-view=true), [OPENDATASOURCE](/sql/t-sql/functions/opendatasource-transact-sql?view=azure-sqldw-latest&preserve-view=true), and [OPENQUERY](/sql/t-sql/functions/openquery-transact-sql?view=azure-sqldw-latest&preserve-view=true).  |
+| **Built-in/system aggregates** |  Transact-SQL built-in aggregates except, except [CHECKSUM_AGG](/sql/t-sql/functions/checksum-agg-transact-sql?view=azure-sqldw-latest&preserve-view=true) and [GROUPING_ID](/sql/t-sql/functions/grouping-id-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, all Transact-SQL built-in [aggregates](/sql/t-sql/functions/aggregate-functions-transact-sql?view=sql-server-ver15&preserve-view=true) are supported. |
 | **Operators** | Yes, all [Transact-SQL operators](/sql/t-sql/language-elements/operators-transact-sql?view=azure-sqldw-latest&preserve-view=true) except [!>](/sql/t-sql/language-elements/not-greater-than-transact-sql?view=azure-sqldw-latest&preserve-view=true) and [!<](/sql/t-sql/language-elements/not-less-than-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, all [Transact-SQL operators](/sql/t-sql/language-elements/operators-transact-sql?view=azure-sqldw-latest&preserve-view=true) are supported.  |
 | **Control of flow** | Yes. All [Transact-SQL Control-of-flow statement](/sql/t-sql/language-elements/control-of-flow?view=azure-sqldw-latest&preserve-view=true) except [CONTINUE](/sql/t-sql/language-elements/continue-transact-sql?view=azure-sqldw-latest&preserve-view=true), [GOTO](/sql/t-sql/language-elements/goto-transact-sql?view=azure-sqldw-latest&preserve-view=true), [RETURN](/sql/t-sql/language-elements/return-transact-sql?view=azure-sqldw-latest&preserve-view=true), [USE](/sql/t-sql/language-elements/use-transact-sql?view=azure-sqldw-latest&preserve-view=true), and [WAITFOR](/sql/t-sql/language-elements/waitfor-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes. All [Transact-SQL Control-of-flow statements](/sql/t-sql/language-elements/control-of-flow?view=azure-sqldw-latest&preserve-view=true) are supported. SELECT query in `WHILE (...)` condition is not supported. |
 | **DDL statements (CREATE, ALTER, DROP)** | Yes. All Transact-SQL DDL statement applicable to the supported object types | Yes, all Transact-SQL DDL statement applicable to the supported object types are supported. |
@@ -114,8 +114,8 @@ You can use various tools to connect to Synapse SQL to query data.
 | **Synapse Studio** | Yes, SQL scripts | Yes, SQL scripts can be used in Synapse Studio. Use SSMS or ADS instead of Synapse Studio if you are returning a large amount of data as a result. |
 | **Power BI** | Yes | Yes, you can [use Power BI](tutorial-connect-power-bi-desktop.md) to create reports on serverless SQL pool. Import mode is recommended for reporting.|
 | **Azure Analysis Service** | Yes | Yes, you can load data in Azure Analysis Service using the serverless SQL pool. |
-| **Azure Data Studio (ADS)** | Yes | Yes, you can [use ADS](get-started-azure-data-studio.md)(version 1.18.0 or higher) to query serverless SQL pool. SQL scripts and SQL Notebooks are supported. |
-| **SQL Server Management Studio (SSMS)** | Yes | Yes, you can [use SSMS](get-started-ssms.md)(version 18.5 or higher) to query serverless SQL pool. |
+| **Azure Data Studio (ADS)** | Yes | Yes, you can [use ADS](get-started-azure-data-studio.md) (version 1.18.0 or higher) to query serverless SQL pool. SQL scripts and SQL Notebooks are supported. |
+| **SQL Server Management Studio (SSMS)** | Yes | Yes, you can [use SSMS](get-started-ssms.md) (version 18.5 or higher) to query serverless SQL pool. SSMS shows only the objects that are available in the serverless SQL pools. |
 
 > [!NOTE]
 > You can use SSMS to connect to serverless SQL pool and query. It is partially supported starting from version 18.5, you can use it to connect and query only.
@@ -132,9 +132,9 @@ Data that is analyzed can be stored on various storage types. The following tabl
 | **Azure Data Lake v2** | Yes | Yes, you can use external tables and the `OPENROWSET` function to read data from ADLS. |
 | **Azure Blob Storage** | Yes | Yes, you can use external tables and the `OPENROWSET` function to read data from Azure Blob Storage. |
 | **Azure SQL/SQL Server (remote)** | No | No, serverless SQL pool cannot reference Azure SQL database. You can reference serverless SQL pools from Azure SQL using [elastic queries](https://devblogs.microsoft.com/azure-sql/read-azure-storage-files-using-synapse-sql-external-tables/) or [linked servers](https://devblogs.microsoft.com/azure-sql/linked-server-to-synapse-sql-to-implement-polybase-like-scenarios-in-managed-instance). |
-| **Dataverse** | No | Yes, you can read Dataverse tables using [Synapse link](/powerapps/maker/data-platform/azure-synapse-link-data-lake). |
-| **Azure CosmosDB transactional storage** | No | No, you cannot access Cosmos DB containers to update data or read data from the Cosmos DB transactional storage. Use Spark pools to update the Cosmos DB transactional storage. |
-| **Azure CosmosDB analytical storage** | No | Yes, you can access Cosmos DB analytical storage using [Synapse Link](../../cosmos-db/synapse-link.md?bc=%2fazure%2fsynapse-analytics%2fbreadcrumb%2ftoc.json&toc=%2fazure%2fsynapse-analytics%2ftoc.json) |
+| **Dataverse** | No | Yes, you can read Dataverse tables using [Synapse link](https://docs.microsoft.com/powerapps/maker/data-platform/azure-synapse-link-data-lake). |
+| **Azure CosmosDB transactional storage** | No | No, you cannot access Cosmos DB containers to update data or read data from the Cosmos DB transactional storage. Use [Spark pools to update the Cosmos DB](../synapse-link/how-to-query-analytical-store-spark.md) transactional storage. |
+| **Azure CosmosDB analytical storage** | No | Yes, you can [query Cosmos DB analytical storage](query-cosmos-db-analytical-store.md) using [Synapse Link](../../cosmos-db/synapse-link.md?bc=%2fazure%2fsynapse-analytics%2fbreadcrumb%2ftoc.json&toc=%2fazure%2fsynapse-analytics%2ftoc.json) |
 | **Apache Spark tables (in workspace)** | No | Yes, serverless pool can read PARQUET and CSV tables using [metadata synchronization](develop-storage-files-spark-tables.md). |
 | **Apache Spark tables (remote)** | No | No, serverless pool can access only the PARQUET and CSV tables that are [created in Apache Spark pools in the same Synapse workspace](develop-storage-files-spark-tables.md). |
 | **Databricks tables (remote)** | No | No, serverless pool can access only the PARQUET and CSV tables that are [created in Apache Spark pools in the same Synapse workspace](develop-storage-files-spark-tables.md). |
@@ -146,11 +146,11 @@ Data that is analyzed can be stored in various storage formats. The following ta
 |   | Dedicated | Serverless |
 | --- | --- | --- |
 | **Delimited** | [Yes](/sql/t-sql/statements/create-external-file-format-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, you can [query delimited files](query-single-csv-file.md). |
-| **CSV** | Yes (multi-character delimiters not supported) |  Yes, you can [query CSV files](query-single-csv-file.md). |
-| **Parquet** | [Yes](/sql/t-sql/statements/create-external-file-format-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, you can [query CSV files](query-parquet-files.md), including the files with [nested types](query-parquet-nested-types.md) |
+| **CSV** | Yes (multi-character delimiters not supported) |  Yes, you can [query CSV files](query-single-csv-file.md). For better performance use PARSER_VERSION 2.0 that provides [faster parsing](develop-openrowset.md#fast-delimited-text-parsing). If you are appending rows to your CSV files, make sure that you [query the files as appendable](query-single-csv-file.md#querying-appendable-files]. |
+| **Parquet** | [Yes](/sql/t-sql/statements/create-external-file-format-transact-sql?view=azure-sqldw-latest&preserve-view=true) | Yes, you can [query Parquet files](query-parquet-files.md), including the files with [nested types](query-parquet-nested-types.md) |
 | **Hive ORC** | [Yes](/sql/t-sql/statements/create-external-file-format-transact-sql?view=azure-sqldw-latest&preserve-view=true) | No, serverless SQL pools cannot read Hive ORC format. |
 | **Hive RC** | [Yes](/sql/t-sql/statements/create-external-file-format-transact-sql?view=azure-sqldw-latest&preserve-view=true) | No, serverless SQL pools cannot read Hive RC format. |
-| **JSON** | Yes | Yes, you can [query JSON files](query-json-files.md) using delimited text format and JSON functions. |
+| **JSON** | Yes | Yes, you can [query JSON files](query-json-files.md) using delimited text format and the T-SQL [JSON](/sql/t-sql/functions/json-functions-transact-sql?view=azure-sqldw-latest&preserve-view=true) functions. |
 | **Avro** | No | No, serverless SQL pools cannot read Avro format. |
 | **[Delta Lake](https://delta.io/)** | No | Yes, you can [query delta lake files](query-delta-lake-format.md), including the files with [nested types](query-parquet-nested-types.md) |
 | **[Common Data Model (CDM)](/common-data-model/)** | No | No, serverless SQL pool cannot read data stored using Common Data Model. |