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Can DDL be used in PL SQL?
As it says in the documentation: Only dynamic SQL can execute the following types of statements within PL/SQL program units: Data definition language (DDL) statements such as CREATE, DROP, GRANT, and REVOKE.
Which statement does not support in PL SQL?
The given statement is true, pl/sql not support array. In PL/SQL, PL stands for procedural language, and SQL stands for a Structure query language, in which it doesn’t use an array. It is a part of the data structure, that uses varray, it is a collection of some kind of elements with a fixed length.
Can we write DDL statements in functions in Oracle?
No DDL allowed: A function called from inside a SQL statement is restricted against DDL because DDL issues an implicit commit. You cannot issue any DDL statements from within a PL/SQL function. Restrictions against constraints: You cannot use a function in the check constraint of a create table DDL statement.
Can we use DDL in stored procedure?
You can use only DDL COMMENT statements in a stored procedure. You cannot specify DML COMMENT statements, which are restricted to embedded SQL applications, to fetch the comments for database objects, columns of a table, and parameters. All variations of CREATE TABLE statement are valid.
Can You issue a DDL statement in PL / SQL?
Answer: You can issue DDL for PL/SQL. The Oracle docs note these examples of issuing DDL in PL/SQL: Executing DDL Statements in PL/SQL. In PL/SQL, you can only execute the following types of statements using dynamic SQL, rather than static SQL: Data definition language (DDL) statements, such as CREATE, DROP, GRANT, and REVOKE.
When to use execute immediate or DDL in SQL?
When using EXECUTE IMMEDIATE, remember that any DDL operations you execute will implicitly COMMIT the current transaction. DDL inside PL/SQL code is more exception than real need. Parse can be viewed as structure verification, which is lost if your structure changes on execution.
Is there an example of DDL in pls-00103?
PLS-00103: Encountered the symbol “CREATE” when expecting one of the following: begin case declare exit for goto if loop… Can you show an example of doing DDL in PL/SQL?
Why is second one executed successfully in PL / SQL?
Why second one executed successfully ? A TRUNCATE operation is DDL. When using EXECUTE IMMEDIATE, remember that any DDL operations you execute will implicitly COMMIT the current transaction. All PL/SQL generats a “DIANA” -> Descriptive Intermediate Attributed Notation for Ada , a tree-structured intermediate language.