Data update

Task/Filter/DuckDB/filter-1.duckdb

@@ -0,0 +1,13 @@
+--Create the original array (table #nos) with numbers from 1 to 10
+create table nos (v int);
+insert into nos from range(1,11);
+
+--Select the subset that are even into the new array (table #evens)
+create table evens as (from nos where v % 2 = 0);
+
+-- Show #evens
+from evens;
+
+# There is no need to drop the tables just for sake of repeating, because
+# DuckDB supports "CREATE OR REPLACE", but the basic DROP TABLE syntax
+# is the same.

Task/Filter/DuckDB/filter-2.duckdb

@@ -0,0 +1,7 @@
+create temporary table nos (v int);
+insert into nos values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
+create temporary table evens (v int);
+insert into evens select v from nos where v%2=0;
+select * from evens order by v;
+drop table nos;
+drop table evens;

Task/Filter/DuckDB/filter-3.duckdb

@@ -0,0 +1 @@
+create temporary table evens select * from nos where v%2=0;

Task/Filter/DuckDB/filter-4.duckdb

@@ -0,0 +1 @@
+create temporary table evens as from nos where v%2=0;

Task/Filter/DuckDB/filter-5.duckdb

@@ -0,0 +1 @@
+DELETE FROM nos WHERE v%2=1;

Task/Filter/DuckDB/filter-6.duckdb

@@ -0,0 +1,2 @@
+select list_filter(lst, v -> v % 2 = 0) as evens, lst
+from (select range(1,11) as lst);

Task/Filter/DuckDB/filter-7.duckdb

@@ -0,0 +1,3 @@
+create or replace function evens(lst) as (
+  list_filter(lst, v -> v % 2 = 0)
+);