2024 Impala show create view

Impala show create view

Author: gjuz

August undefined, 2024

WitrynaThe SHOW CREATE VIEW, it returns a CREATE VIEW statement with column names and the original SQL statement to reproduce the view. You need the VIEW_METADATA privilege on the view and SELECT privilege on all underlying … Witryna25 lut 2024 · 语法： CREATE VIEW [ IF NOT EXISTS ] view_name [ ( column_name [ COMMENT column_comment ], ...) ] [ COMMENT table_comment ] AS SELECT ... 3. 查看视图结构信息跟查看表结构信息一样 desc view_name; 查看到视图中的字段 desc formatted view_name; 使用这种查看，从Table Type属性中可以看到该表属于视图 4. …

SHOW Statement 6.3.x Cloudera Documentation

Witryna3 lip 2014 · For a view, DESCRIBE EXTENDED or FORMATTED can be used to retrieve the view's definition. Two relevant attributes are provided: both the original view … Witryna1 lis 2024 · Applies to: Databricks SQL Databricks Runtime Returns the CREATE TABLE statement or CREATE VIEW statement that was used to create a given table or view. SHOW CREATE TABLE on a non-existent table or a temporary view throws an exception. Syntax SHOW CREATE TABLE { table_name view_name } Parameters … looking california feeling minnesota

How to use Impala to read Hive view containing complex types?

Witryna14 wrz 2024 · A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. WitrynaThe objects in the Impala schema hierarchy are: Server URI Database Table Column The table-level privileges apply to views as well. Anywhere you specify a table name, you can specify a view name instead. In Impala 2.3 and higher, you can specify privileges for individual columns. looking boxspring and mattress

Impala Authorization - The Apache Software Foundation

Query to show all column, table and schema names together in …

WitrynaShows the CREATE TABLE statement that created the given table. The statement requires the SELECT privilege for the table. This statement also works with views and SEQUENCE. SHOW CREATE TABLE quotes table and column names according to the value of the sql_quote_show_create server system variable. Witryna7 lis 2024 · 2 Answers. Sorted by: 2. Use describe command: DESCRIBE [FORMATTED] [db_name.]table_name [.complex_col_name ...] For views it will display the text of the query from the view definition. See here: DESCRIBE. Share. Improve this answer. looking carefully at somethingWitryna19 lip 2024 · To be able to execute SHOW CREATE VIEW, you need access to the view as well as the underlying table(s). In your particular example, you need to have access to both "t" and "system9999.cases". This is because SHOW CREATE VIEW will reveal the information on the underlying table(s). Hence, the need to have access to the … looking careers

"WitrynaThe CREATE VIEW statement can be useful in scenarios such as the following: To turn even the most lengthy and complicated SQL query into a one-liner. You can issue … " - Impala show create view

Impala show create view

SHOW CREATE TABLE - MariaDB Knowledge Base

WitrynaCREATE VIEW db2.v1 AS SELECT * FROM db2.foo; -- Switch into the other database and drop the view. USE db2; DROP VIEW v1; USE db1; -- Create a view in a different database. CREATE VIEW db2.v1 AS SELECT * FROM db2.foo; -- Drop a view in the other database. DROP VIEW db2.v1; Related information: Witryna2 paź 2024 · 3 Is there a way in Impala to determine whether an object name returned by SHOW TABLES corresponds to a table or a view since: this statement only return the …

Did you know?

WitrynaIn Impala 1.4.0 and higher, you can create a table with the same column definitions as a view using the CREATE TABLE LIKE technique. Although CREATE TABLE LIKE … Witryna19 lip 2024 · To be able to execute SHOW CREATE VIEW, you need access to the view as well as the underlying table (s). In your particular example, you need to have …

Witryna[IMPALA-6676] - Impala Doc: SHOW CREATE VIEW [IMPALA-6677] - Impala Doc: Doc next_day function [IMPALA-6678] - Better estimate of per-column compressed data size for low-NDV columns. [IMPALA-6679] - Don't claim ideal reservation in scanner until actually processing scan ranges [IMPALA-6832] - Impala 3 ... Witryna18 wrz 2024 · impala中的show语法（转载网上，自己整合）. 使用 SHOW DATABASES语句列出所有的数据库。. 使用 USE db name语句可以切换到指定数据 …

Witryna19 lip 2024 · To be able to execute SHOW CREATE VIEW, you need access to the view as well as the underlying table (s). In your particular example, you need to have access to both "t" and "system9999.cases". This is because SHOW CREATE VIEW will reveal the information on the underlying table (s). Hence, the need to have access to the … WitrynaThe SHOW CREATE VIEW, it returns a CREATE VIEW statement with column names and the original SQL statement to reproduce the view. You need the …

WitrynaIn Impala 2.3 and higher, you can specify the name of a complex type column, which takes the form of a dotted path. The path might include multiple components in the …

Witryna23 gru 2024 · I'm trying to clean up some dev/test tables in Impala for my team, but can't seem to find a way to list out tables with their creator and the date last accessed. The show tables command simply lists out the table names. Because there are hundreds of tables, with less than a quarter belonging to our team, going through each table … looking carefullyWitryna6 kwi 2016 · 3. Impala can't create materialized views at this time. So the solution for better view performance would be to load the output of the view query into a table … looking cameraWitryna2 lip 2024 · From impala-shell you have commands like:. describe table_name. describe formatted table_name. describe database_name. EXPLAIN { select_query ctas_stmt … looking california and feeling minnesotaWitrynaIn Impala 1.4.0 and higher, you can create a table with the same column definitions as a view using the CREATE TABLE LIKE technique. Although CREATE TABLE LIKE … hops barbecue asheboro nc on facebookWitryna13 gru 2024 · I am troubleshooting an application issue on an External (unmanaged) Table that was created using the CREATE TABLE X LIKE PARQUET syntax via Cloudera Impala. I am trying to determine the Location of the files comprising the partitions of the External table but having difficulty determining how to do this, or … looking caregiver jobWitrynaThe SHOW CREATE VIEW, it returns a CREATE VIEW statement with column names and the original SQL statement to reproduce the view. You need the … looking carefully clipartWitryna28 lip 2024 · Go to Hue -> Metastore manager -> db.table -> property -> update comment. Reply. 10,103 Views. 0 Kudos. EricL. Guru. Created ‎08-02-2024 04:38 AM. ALTER TABLE test CHANGE {columname} {columnname} {datatype} comment 'test comment'; See below test case: hops ayurvedic medicine