倉庫&分析主題

計算列的總字節數

peterlandis — 結婚,09年2023年8月14:38:15格林尼治時間

我想計算的總大小字節為一個給定的列一個表。 I saw that you can use the bit_length function and did something like this giving you the total bits of the column but not sure if this is correct.

SELECT sum(bit_length(to_binary(content, 'UTF-8'))) as total_bites FROM mytable;

When I look at running the DESCRIBE, the table sizeInBytes is way less then the above. Is that because the size in table is actually compressed vs the bit_length is calculating without compression?

DESCRIBE DETAIL mytable;

目錄進行反省和模式在Pycharm JDBC

primaj — 結婚,09年2023年8月10:39:07格林尼治時間

, 我設法添加SQL倉庫作為數據源Pycharm使用JDBC驅動程序,可以從一個SQL查詢倉庫控製台Pycharm之內。這是偉大的,然而,我麵臨的是讓目錄和模式顯示在“數據庫”窗格中,我可以看到數據源,但沒有被檢索目錄或者模式。知道我如何糾正這種嗎?

Here's my jdbc URL:
jdbc::443/default;transportMode=http;CatalogSchemaSwitch=1;ssl=1;AuthMech=3;httpPath=;UID=token;PWD=

Thanks!

磚API返回的任務值設定在一個筆記本上

cmilligan — 星期四,2023年8月3日14:45:58格林尼治時間

我正在返回工作流的一些統計數據,輸入的日期範圍可以是手動或當它運行在一個時間表設置它作為任務的日期範圍值。我能返回一個就是它已經被手動設置使用列表工作運行api和壓倒一切的參數值。我還沒有找到,我可以檢索,筆記本和一個任務中設置的值創建其他筆記本消費。

之間的區別是什麼:443 /違約和數據庫=默認在JDBC連接字符串

charlie_cai — 星期四,2023年7月27日07:14:20格林尼治時間

When I use following java code to get namespace from AWD Databricks:

import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; import java.util.Properties; public class DatabricksJDBCExample { public static void main(String[] args) { String jdbcUrl = "jdbc:spark://your-databricks-workspace-url:443/default;transportMode=http;ssl=true;httpPath=sql/protocolv1/o/your-org-id/your-workspace-id"; String accessToken = "token"; try { // Load the JDBC driver class Class.forName("com.databricks.driver.Driver"); Properties connectionProperties = new Properties(); // Set the necessary properties for the connection connectionProperties.setProperty("user", "token"); connectionProperties.setProperty("PWD", accessToken); // Create a connection using the JDBC URL and access token Connection conn = DriverManager.getConnection(jdbcUrl, connectionProperties); // Create a statement Statement stmt = conn.createStatement(); // Get the list of namespaces (databases) String showNamespacesQuery = "SHOW NAMESPACES"; ResultSet namespacesResult = stmt.executeQuery(showNamespacesQuery); System.out.println("Namespaces (Databases):"); while (namespacesResult.next()) { String namespace = namespacesResult.getString(1); System.out.println(namespace); } namespacesResult.close(); stmt.close(); conn.close(); } catch (Exception e) { e.printStackTrace(); } } }

I can get 'default' as result.

After I changed the connection string to database=default

String jdbcUrl = "jdbc:spark://your-databricks-workspace-url:443;transportMode=http;ssl=true;httpPath=sql/protocolv1/o/your-org-id/your-workspace-id;database=default";

It will throw error:

[SparkJDBCDriver](500051) ERROR processing query/statement. Error Code: 0, SQL state: TStatus(statusCode:ERROR_STATUS, infoMessages:[*org.apache.hive.service.cli.HiveSQLException:Configuration database is not available.:48:47

三角洲分享名單表,但表示“禁止訪問資源”當讀表的內容

麥奇 — 結婚,2023年7月26日16:19:41格林尼治時間

我用權力BI桌麵連接統一目錄使用三角洲共享。當我連接,我進入我的端點,進入我的不記名的令牌,瀏覽目錄,可以看到我的表。但是當我嚐試預覽或加載一個表,我得到了“禁止訪問資源”的錯誤。

I know the endpoint and bearer token are correct, since I can list the tables that I should be able to see. It's like there is a storage permissions issue, but I'm not sure what that would be. I'd appreciate any advice on things to try.

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筆記本卡在初始化RocksDB

DennisD — 星期二,2023年7月25日07:28:11格林尼治時間

你好, 在Azure上運行一個筆記本在nightrun磚,它在初始化RocksDB卡住了。我們不使用任何流數據也沒有RocksDB啟用。

Anyone has any clue how to disable RocksDB or prevent this in the future?

Thanks!

多維模型和MDX查詢

n7r — 2023年7月24日,星期一,08:50:49 GMT

是有辦法建立(虛擬)多維模型在磚和通過MDX查詢嗎?或任何第三方插件?

.getComments JDBC DatabaseMetaData.getColumns()()編碼的問題

dprutean — 結婚,2023年7月19日11:30:49格林尼治時間

我用JDBC驅動程序加載評論保存在數據磚,相關表和列。 評論保存在中國返回壞的編碼。我使用 DatabaseMetaData.getColumns () .getComments ()

預定查詢api通過工作

EDDatabricks — 星期二,2023年7月18日19:29:05格林尼治時間

親愛的, 我們自動化預定查詢通過磚rest api的過去。然而幾周前,我們注意到,我們得到一個錯誤: < PRE > {“消息”:“使用工作API來創建、更新或刪除預定DBSQL任務。”} < / PRE > 我現在查詢到工作區和成功創建查詢(cli所顯示和rest api)但是我不知道如何安排。I have tried to create a job for this query with the rest api with the following json:

{ "tasks": [ { "task_key": "MyQueryJob", "description": "Execute query", "depends_on": [], "existing_cluster_id": "$WAREHOUSE_ID", "notebook_task": { "notebook_path": "Queries/MyQueryNotebook", "source": "WORKSPACE" }, "timeout_seconds": 172800 } ], "run_name": "MyQuery", "timeout_seconds": 172800, "schedule": { "timezone_id": "GMT", "quartz_cron_expression": "0 00 * * * ?", "pause_status": "PAUSED" } }

In runtime I replace the $WAREHOUSE_ID with the sql warehouse id I want to run this query. However the response I got is:

Error: b'{"error_code":"INVALID_PARAMETER_VALUE","message":"Cluster adfdf334... does not exist"}'

I suspect I get this error because I pass an sql warehouse id whereas the json param expects a compute cluster id.

But how can I then schedule my query to run on the warehouse and not on a compute cluster?

Thanks in advance for your time.

為什麼公司使用磚SQL和紅移的同時嗎?

eimis_pacheco — 坐,格林尼治時間2023年7月15日21:24:02

嗨社區, 我突然發現自己困惑,這可能聽起來像一個明顯的答案對於一些但不是對我來說至少在這一刻。 我沒有得到為什麼公司使用磚SQL和紅移的同時嗎? 我的意思是,與磚平台一旦你跑你的火花Beplay体育安卓版本工作創建一個增量表(酸作為默認磚格式)的支持,那麼可以使用這些表和查詢SQL數據分析師和數據科學家在磚。他們可以直接創建儀表板。他們甚至可以連接到BI工具如表,等…… 我看起來像一個數據倉庫,因為數據結構格式已經準備好和可供使用的數據分析和數據科學家。 然後,為什麼公司使用大數據休息平台像磚和使用數據倉庫的紅移u其他在同一時間嗎?誰能給我澄清一下嗎? 提前謝謝 問好

需要連接美人工作室與磚表

MonikaSamant — 星期五,2023年7月14日06:21:04格林尼治時間

Hi Team,

I am creating my data warehouse on AWS s3 and corresponding tables on databricks warehouse.

I want to connect looker studio (which is different from looker) to these databricks tables and be able to create reports.

Could you please help us on the same.

Regards

Monika

不能啟動SQL倉庫AWS

Testing2 — 星期二,2023年7月11日07:03:22格林尼治時間

不能啟動SQL倉庫AWS。倉庫是在開始很長一段時間和錯誤拋出

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從磚筆記本,如何讓工作流程和任務名稱

naga_databricks — 2023年結婚,05年7月12:47:56 GMT

我有一個筆記本,我想使用工作流名稱和任務名稱,它將下運行。我怎麼訪問這些信息?

網絡應用程序連接到三角洲表倉庫

apiury — 星期二,2023年7月04 06:37:12格林尼治時間

你好!我開發一個。net應用程序,我想使用磚倉庫作為數據庫。我有黃金三角洲表,我想查詢。在文檔中,我可以看到一個ODBC / JDBC驅動程序,這些連接器快?有另一種方式連接?的標準是什麼?must have to use azure synapse?

終極指南在納孟買自行車信使服務

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DWH自動化與磚作為目標

Ssh — 星期四,2023年6月29日20:56:53格林尼治時間

WhereScape supports now Databricks as a target platform.

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