"EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distinguish them" "No transaction is active." error when trying to send a transactional SQL statme...
Oracle and SQL Server are leading relational databases that use SQL but have key differences like T-SQL versus PL/SQL. Companies often need to integrate data across both databases. This article outlines two straightforward methods to connect an Oracle database to SQL Server. Establishing connectivity...
"EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distinguish them" "No transaction is active." error when trying to send a transactional SQL statmen...
'WHEN MATCHED' cannot appear more than once in a 'UPDATE' clause of a MERGE statement. "EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed na...
-- use an NVL around the mime type and -- if it is a null set it to application/octect -- application/octect may launch a download window from windows owa_util.mime_header( nvl(v_mime,'application/octet'), FALSE ); -- set the size so the browser knows how much to download ...
An ORM library is written in our language of choice and encapsulates the code needed to manipulate the data. Therefore we don’t need to directly use the SQL; we can interact instantly with an object from our code, instead of a database table. The ORM tool translates the interaction into...
SQL> SQL>CREATEOR REPLACEPROCEDUREshowemps (where_in IN VARCHAR2 := NULL) 2 IS 3 TYPE cv_typ IS REF CURSOR; 4 cv cv_typ; 5 v_nm emp.ename%TYPE; 6BEGIN 7 OPEN cv FOR 8 'SELECT enameFROMempWHERE' || NVL (where_in, '1=1'); ...
5. You can use other functions as parameters inside the COALESCE function: postgres=#SELECTcoalesce(nvl(null,199),least(8,null),avg(9.9));coalesce---199 (1 row) Preventing NULL values with COALESCE A helpful application of the COALESCE function is to prevent NULL values from appearing in ...
UseDBMS_TDBto easily identifyexternal stufflikedirectories,external tablesandBFILEs. Any files stored in the file system outside the database must be manually transferred to the file system on the target host: SOURCE/SALES SQL> SET SERVEROUTPUT ON ...
If Nvl(Amt, 0) = 0 Then Words := Nil ; Else If Length(To_Char(Amt)) > 9 Then t_Word := Crores ; End If; Wordsamt := Floor(Amt / 1000000000); If Wordsamt > 0 Then Str := Digitword(Wordsamt); If Str = One Then Str := One Hundred ; Else Str := Digitword(Wordsamt)...