insert into B values (1, 'How do I '); insert into B values (2, ' merge multiple rows '); insert into B values (3, ' into one row of type CLOB? '); After inserting from table B into table A, I would like to see
The first string to concatenate. string2 The second string to concatenate. string_n Optional. The nth string to concatenate. Returns The||operator returns a string value. Applies To The||operator can be used in the following versions of Oracle/PLSQL: ...
) return clob sql_macro is L_ROW DEPT_EMP_PV%rowtype; -- unused but establishes dependency L_QUERY long; begin select text into L_QUERY from ALL_VIEWS where OWNER = nvl(trim('"' from P_VIEW.SCHEMA_NAME), user) and VIEW_NAME = trim('"' from P_VIEW.TABLE_NAME); L_QUERY :...
Cursors are used in PL/SQL to retrieve and process multiple rows returned by a SQL query. PL/SQL supports both implicit and explicit cursors. Implicit cursors are automatically created for SQL statements like SELECT INTO, while explicit cursors are declared explicitly using the CURSOR keyword. Trig...
Name SQL-20: Bind, do not concatenate, variable values into dynamic SQL strings. Synopsis When you bind a variable value into a dynamic SQL string, you insert a “placeholder” into the … - Selection from Oracle PL/SQL Best Practices [Book]
To concatenate two numeric values, both numeric values must be explicitly cast to a string data type.A concatenation can use only one BLOB data type: DT_TEXT, DT_NTEXT, or DT_IMAGE.If either element is null, the result is null.