Sql создает таблицу из существующей таблицы и добавляет новый столбец

Примеры кода

21
0

скрипт для добавления нового столбца в таблицу sql

ALTER TABLE table_name
ADD column_name datatype;
1
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создать таблицу из существующей таблицы в sql

//this will create new Empty table

CREATE TABLE IF NOT EXISTS TableName AS (SELECT * FROM ExistingTable WHERE 1=2);

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