Sql vytvoření tabulky z existující tabulky a přidat nový sloupec

Příklady kódu

21
0

skript přidat nový sloupec v tabulce sql

ALTER TABLE table_name
ADD column_name datatype;
1
0

vytvoření tabulky z existující tabulky v sql

//this will create new Empty table

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

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