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24 sty 2013 · Use the standard COALESCE function: SELECT COALESCE(foo.bar, 0) as "bar", ... Or use Oracle's own NVL function that does the same. You want to use NVL, or NVL2. Yup, NVL should do the trick. You want the nvl function: nvl (foo.bar, 0) Oracle does support various ifs and cases as well. Just do nvl(foo.bar,0), you don't have to do.
8 mar 2024 · Oracle Queries: Basic [15 exercises with solution] 1. Write a Oracle SQL query to get the details of all employees and also display the specific information of all employees. Click me to see the solution. 2. Write a Oracle SQL command to display the employee name, job and annual salary for all employees . Click me to see the solution. 3.
9 lis 2001 · I want to use an IF statement in a .SQL with use the BEGIN/END to do something like this (it's just an example): IF &1 = 1 THEN SELECT * FROM EMP; ELSE SELECT * FROM DEPT; END IF; If I enter 1 then SQL*Plus shows this result: EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
This tutorial shows you how to use the PL/SQL IF statement to either execute or skip a sequence of statements based on a specified condition.
The IF statement either runs or skips a sequence of one or more statements, depending on the value of a BOOLEAN expression. ( boolean_expression ::= , statement ::= ) Expression whose value is TRUE, FALSE, or NULL. The first boolean_expression is always evaluated.
28 cze 2024 · In this Oracle PL/SQL tutorial, we will learn Decision-Making Statements like If-Then, If-Then-Else, If-Then-Elsif, Nested-If.
This Oracle tutorial explains how to use the IF-THEN-ELSE statement in Oracle with syntax and examples. In Oracle, the IF-THEN-ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE.
