Understanding Structural Limitations When Cloning Tables with Oracle's CREATE TABLE AS Statement
Data Versus Schema Replication Behavior
In Oracle Database, the CREATE TABLE AS SELECT (CTAS) construct provides a fast mechanism for duplicating tabular data along with column data types. However, relying on this command for structural mirroring introduces several silent failures. The database engine processes CTAS as a bulk data movement oper ...
Posted on Fri, 18 Sep 2026 16:47:57 +0000 by sonny