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 following after selecting from table A: keys text ---...
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: ...
As Andrej Pashchenko recently wrote, SQL table macros can get the results we would want from parameterized views (if they existed), but they do not have all the advantages of real views: see https://blog.sqlora.com/en/parameterized-views-with-sql-macros-part-2/ He wants to combine the ...
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...
CASE WHEN - Adding collate into it. Case WHEN and concatenate string CASE WHEN isnumeric(ColValue) THEN ... ELSE ... END CASE WHEN MIN,SUM ETC. CASE WHEN Problem with CASE NULL cast nvarchar to smalldatetime Cast a varchar(6), 112 as date CAST and IsNull together cast or convert ...
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.