Oracle NULLIF() Function: The Oracle NULLIF() function accepts only two arguments. If the both arguments are equal it returns a null value. In case the arguments are not equal, the…
How to delete duplicate record From table using SQL/Oracle? Create table using following script: Copy CodeCopiedUse a different BrowserCREATE TABLE TEST_EMP ( ENAME VARCHAR2(10 BYTE), DEPTNO NUMBER(2), ID NUMBER )…
How to check duplicate record in table SQL/Oracle? Create table using following script: Copy CodeCopiedUse a different BrowserCREATE TABLE TEST_EMP ( ENAME VARCHAR2(10 BYTE), DEPTNO NUMBER(2), ID NUMBER ) Run…
Oracle NVL2 Function: NVL2() function is an extend version of the NVL() function with different options based on whether a NULL value exists. Oracle NVL2() function allow three parameters. If…
Oracle NULL-Related Functions. There are different type of null related function in oracle. NVL NVL function will check whether the first input parameter is null, if its null value, it…
The NVL function allows you to replace null values with a default values. If the first parameter is null, the function returns the second parameter. If the first parameter has…
Oracle DECODE() function compares the first argument with the second argument. If they are equal, the function returns the third argument otherwise returns the default value. The Oracle/PLSQL DECODE function…
How to Unselect Default Checkbox in Interactiv Grid Oracle APEX? In some situation we don’t want default checkbox selection in Interactive Grid on those cases, there are 3 ways to unselect default…
3 ways to Add Custom Button In Interactive Grid Oracle APEX? Now there are 3 ways to create custom Add, Edit, Save, and Delete buttons for an Interactive Grid in Oracle APEX…
Sometimes user wants to prevent duplicate row on that column where columns don’t have a unique Id or Primary key Identification. On those cases here, I have provided a solution…