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This tutorial shows you how to use the Oracle ALTER TABLE ADD column statement to add one or more columns to an existing table.
Learn how to use the ALTER TABLE statement to add, delete, or modify columns in an existing table. See examples of adding, dropping, and renaming columns in SQL Server, MySQL, and Oracle.
This Oracle tutorial explains how to use the Oracle ALTER TABLE statement to add a column, modify a column, drop a column, rename a column or rename a table (with syntax, examples and practice exercises).
To add a single column: COLUMN_NAME DATA_TYPE; 2. To add multiple columns: COLUMN_NAME1 DATA_TYPE1, COLUMN_NAME2 DATA_TYPE2, . COLUMN_NAME3 DATA_TYPE3.
Use the ALTER TABLE statement to alter the definition of a nonpartitioned table, a partitioned table, a table partition, or a table subpartition. For object tables or relational tables with object columns, use ALTER TABLE to convert the table to the latest definition of its referenced type after the type has been altered.
Learn ALTER TABLE ADD column complete with step by step examples. Commands to add a single or multiple columns, add NOT NULL column
Tutorial and example showing how to add one or multiple columns to a table in an Oracle database with SQL.
