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A modern SQL dialect used by BigQuery, Databricks, or Snowflake proposes an excellent solution. SELECT * EXCEPT (ColumnNameX, [ColumnNameY, ...]) FROM TableA. This very powerful SQL syntax avoids a long list of columns that must be constantly updated due to table column name changes.
8 wrz 2017 · For instance, in the case of Hive, the following query selects all columns except ds and hr: SELECT `(ds|hr)?+.+` FROM sales
11 gru 2021 · Learn three ways to exclude a column from a MySQL SELECT statement: using a temporary table, a view, or the information_schema.COLUMNS table. See examples, pros and cons of each method, and how to handle multiple columns.
You have a database table, how to select all columns except specific columns mentioned by the user? Example Syntax: SELECT * [except columnA] . FROM tabA; Input. This is not possbile in native SQL databases. MySQL doesn’t natively support the SELECT * EXCEPT (column_name) syntax.
5 sty 2022 · Write select * except [columns] with Polymorphic Table Functions. Added in Oracle Database 18c, PTFs enable you to define the shape of a result set. So you can add or remove columns from the input table based on the parameters you pass.
29 mar 2011 · Is there a way to SELECT all columns in a table, except specific ones? IT would be very convenient for selecting all the non-blob or non-geometric columns from a table. Something like: SELECT * -the_geom FROM segments;
23 gru 2019 · There are two major differences: The EXCEPT statement only returns the distinct records, whereas a NOT IN statement returns all the records that are not filtered by the NOT IN statement. In the EXCEPT statement, the comparison between two SELECT statements is based on all the columns in both the tables.
