Data update

This commit is contained in:
Ingy döt Net 2025-08-11 18:05:26 -07:00
parent 4d5544505c
commit 4924dd0264
3073 changed files with 55820 additions and 4408 deletions

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# Create a table to associate a key with 0 or more values
CREATE TABLE associative_array (KEY_COLUMN VARCHAR(10), VALUE_COLUMN VARCHAR(100));
# Insert a Key Value pair
INSERT INTO associative_array (KEY_COLUMN, VALUE_COLUMN) VALUES ('KEY', 'VALUE');
# Retrieve a key value pair
SELECT aa.value_column FROM associative_array aa where aa.key_column = 'KEY';

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CREATE TABLE associative_array (KEY_COLUMN VARCHAR, VALUE_COLUMN VARCHAR);
# Insert a Key Value pair
INSERT INTO associative_array VALUES ('KEY', 'VALUE');
# Retrieve a key value pair
SELECT aa.value_column FROM associative_array aa where aa.key_column = 'KEY';

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CREATE TABLE aa (KEY_COLUMN VARCHAR UNIQUE NOT NULL, VALUE_COLUMN VARCHAR NOT NULL);

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INSERT into aa VALUES ('k', 1), ('l', 2);
from aa;
INSERT into aa VALUES ('k', 3);

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SELECT aa FROM aa LIMIT 1;

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select unnest({'KEY_COLUMN': 'k', 'VALUE_COLUMN': 1});

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SELECT info.* FROM (SELECT {'a': 1, 'b': 2 } as info);

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SELECT '{"a": 1, "A": 2}'::JSON as j;