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12 sty 2021 · You should use a procedure. When you make an UPDATE (or any other DML) in the function then you cannot use it like select rep_ort(...) from dual, use begin ret:= rep_ort(...); end; –
UPDATE /*+ WITH_PLSQL */ t1 a SET a.id = (WITH FUNCTION with_function(p_id IN NUMBER) RETURN NUMBER IS BEGIN RETURN p_id; END; SELECT with_function(a.id) FROM dual); / 1000000 rows updated. SQL> Remember, this is true of queries and DML.
11 cze 2020 · in your example, if you update a row, you return "success" - the same as simply checking sql%rowcount = 1 would if you do not update a row, the v_ values will be null and you will return failure, just like sql%rowcount = 0 would.
The Oracle UPDATE statement is used to update existing records in a table in an Oracle database. There are 2 syntaxes for an update query in Oracle depending on whether you are performing a traditional update or updating one table with data from another table.
Database. Oracle Database. Release 21. User's Guide and Reference. 6 Using Substitution Variables. This chapter explains how SQL*Plus substitution variables work and where they can be used. It shows the relationship between the three types of variables (substitution, bind, and system) used in SQL*Plus. This topics covered are:
You can write user-defined functions in PL/SQL, Java, or C to provide functionality that is not available in SQL or SQL built-in functions. User-defined functions can appear in a SQL statement wherever an expression can occur.
21 cze 2021 · EXECUTE IMMEDIATE with multiple bind variables and SELECT INTO returning a single record but multiple columns. I'm building a function that always receives 3 input values. These incoming values are used as bind variables in assembling a SQL query string that is later executed using an EXECUTE IMMEDIATE statement.
