SQL CASE - 1Keydata SQL 語法教學 CASE 是SQL 用來做為IF-THEN-ELSE 之類邏輯的關鍵字。 CASE 的語法如下:. SELECT CASE ("欄位名") WHEN "條件1" THEN "結果1" WHEN "條件2" THEN ...
IF...ELSE (Transact-SQL) - MSDN - Microsoft 在Transact-SQL 陳述式的執行上強加條件。 ... Transact-SQL 語法慣例 ... 除非使用陳述式區塊,否則,IF 或ELSE 條件只會影響一個Transact-SQL 陳述式的效能。
SQL Tutorials: SQL IF...ELSE Statement SQL Tutorial, SQL Server, SQL Statement, SQL Query, MS SQL 2000 Reporting Service, T-SQL, SQL Function, SQL Syntax, SQL User Define Function, SQL Trigger ... SQL IF...ELSE Statement used to test a condition. IF...ELSE Statement using in execution of ...
IF … THEN … ELSE logic in Teradata SQL | datastagetips The standard ANSI SQL and the Teradata SQL doesn't support IF...THEN...ELSE statement or expression. There are different ways to implement conditional logic in SQL. Here I will show you one. SQL provides the much more powerful CASE expression. Using the .
IF...ELSE - TechNet - Microsoft The optional ELSE keyword introduces an alternate Transact-SQL statement that is executed when the IF condition is not satisfied (when the Boolean ...
Oracle Concepts - PL/SQL IF/THEN/ELSE Statements Oracle Concepts - PL/SQL IF/THEN/ELSE Statements ... If you like Oracle tuning, you may enjoy the new book "Oracle Tuning: The Definitive Reference", over 900 pages of BC's favorite tuning tips & scripts.
IF-THEN-ELSE statement in PL/SQL - Tutorials for EasyMock, Object Oriented Analysis & Design, Tik PL/SQL IF-THEN-ELSE statement - Learn PL/SQL programming in simple and easy steps starting with PL/SQL syntax, data types, variables, constants, records, conditional statements, iterative statements, cursors, precedures, functions, exception handling ...
[程式][SQL] CASE 類似於程式語言裡的if/then/else 語句,用來作邏輯 ... 2011年12月13日 ... CASE 是SQL 用來做為if-then-else 之類邏輯的關鍵字。 CASE 的語法如下: CASE WHEN condition THEN result [WHEN&.
Oracle/PLSQL: IF-THEN-ELSE Statement - TechOnTheNet.com 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 ...
IF-THEN-ELSE statement in PL/SQL - Tutorialspoint A sequence of IF-THEN statements can be followed by an optional sequence of ELSE statements, which execute when the condition is FALSE.