2026/10/2 -SQL DECODE maps an expression to a matching result value. Learn the syntax, see worked examples, and reproduce DECODE with CASE in any database.
2026/1/25 -Use decode in oracle to convert into meaningfull data. Check out How to use oracle decode command,how it is used with Examples.
2026/9/1 -DECODE is Oracle's compact conditional function, similar to a CASE expression, that compares an expression against search values and returns a matching result ...
2026/1/1 -Oracle DECODE and NVL: Differences and Examples. DECODE maps matching values to results; NVL replaces a NULL value. Use DECODE(status, 'A', 'Active', ...
2026/11/6 -Example: Checking Authorized Data and Masking NULL Values shows a SELECT statement that uses the COLUMN_AUTH_INDICATOR function to check authorized data and the ...
2026/9/11 -decode compares expr to each keyN in order and returns the corresponding valueN for the first match (like a key-value lookup or switch). If no key matches, it ...
2026/11/2 -DECODE_ORACLE is a synonym for the Oracle-mode version of the function, and is available in all modes. Examples. Copy. SELECT DECODE_ORACLE(2+1,3*1,'found1',3*2 ...
1日前 -The presenter explains two key concepts using real-time examples: "difference between projection and selection" and "how to find the highest salary using ...
2026/3/11 -Decode function, DECODE(col, v1, r1, def), CASE WHEN col = v1 THEN r1 ELSE ... DECODE , SYSDATE , ROWNUM , and PL/SQL syntax. This can simplify migration ...
2026/6/14 -1 Introduction to Oracle SQL · History of SQL · 2 Basic Elements of Oracle SQL · Data Types · 3 Pseudocolumns · Hierarchical Query Pseudocolumns · 4 Operators.