search:sql if else then相關網頁資料

- www.java2s.com
  
  The IF...THEN...ELSE Statement : IF « PL SQL Statements « Oracle PL/SQL Tutorial
  
  The IF...THEN...ELSE Statement : IF « PL SQL Statements « Oracle PL/SQL Tutorial ... some_condition_evaluates_to_true, tests a BOOLEAN condition that you provide. If true, the second parameter, perform_statements_condition_true, executes.
  
  2025-04-30
  
  瀏覽：1417
- stackoverflow.com
  
  sql server - Can you have if-then-else logic in SQL? - Stack Overflow
  
  I need to do select data from a table based on some kind of priority like so: select product, price from table1 where project = 1 -- pseudo: if no price found, do this: select product, price from ... With SQL server you can just use a CTE instead of IF/TH
  
  2025-04-23
  
  瀏覽：1463

sql if else then的相關文章

sql if else then的相關公司資訊

sql if else then的相關商品

Use IF THEN ELSE IF : IF « PL SQL Statements « Oracle PL/SQL Tutorial

日期：2025-04-28

Use IF THEN ELSE IF : IF « PL SQL Statements « Oracle PL/SQL Tutorial ... SQL> SQL> SET SERVEROUTPUT ON SQL> SET ECHO ON SQL> DECLARE 2 employee_name_c CHAR(32); 3 employee_name_v VARCHAR2(32); 4 BEGIN 5 --Assign ......

全文

sql - IF EXISTS, THEN SELECT ELSE INSERT AND THEN SELECT - Stack Overflow

日期：2025-04-29

How do you say the following in Microsoft SQL Server 2005: IF EXISTS (SELECT * FROM Table WHERE FieldValue='') THEN SELECT TableID FROM Table WHERE FieldValue='' ELSE INSERT INTO TABLE(Field......

全文

in SQL SELECT, how to perform "IF .. THEN .. ELSE " ? - Microsoft Community

日期：2025-04-30

Hello, I am trying to select a between two fields. Looking around web sites and " CASE .. WHEN .. THEN .. ELSE .. END " seems popular. In SQL SECECT statement, I trying to ......

全文

PL/SQL IF THEN ELSE Statements | Conditional Control

日期：2025-04-24

PL/SQL IF THEN ELSE conditional control statements. PL/SQL Conditional Control two type: IF THEN ELSE statement and CASE statement. ... Nested IF THEN ELSE Statement Logically IF THEN ELSIF Statement and Nested IF THEN ELSE Statement both ......

全文

sql server - Can you have if-then-else logic in SQL? - Stack Overflow

日期：2025-04-28

This question already has an answer here: How do you perform an IF ... You can make the following sql query. IF ((SELECT COUNT(*) FROM ......

全文

sql server - How do you perform an IF...THEN in an SQL SELECT ...

日期：2025-04-26

The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server ..... From this link: IF THEN ELSE in T-SQL ......

全文

SQL Server: CASE WHEN OR THEN ELSE END => the OR is not ...

日期：2025-04-24

SQL Server: CASE WHEN OR THEN ELSE END => the OR is not ... It more closely fits the OP's question, and if you want to nest some ......

全文

Using IF...ELSE - TechNet - Microsoft

日期：2025-04-26

The IF statement is used to test for a condition. ... SQL Server 2008 R2 ... Then control jumps to the point after the statement, or block of statements, following the ......

全文

« < 12