问在sql查询中使用if/elseEN我有一个多语言网站，并使用此来获得用户使用的语言：目前LINQ to SQL的资...
问带有if else的sqlQueryEN我用C#编程语言和visual studio实现了学生信息系统的自动化。我使用MSSQL作为...
//mapper中需要传递一个容器 public List<User> queryByIdList(List<Integer> userIdList); SELECT * FROM user WHERE userId IN <foreach collection="userIdList" item="id" index="index" open="(" close=")" separator=","> #{id} </foreach> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ...
CREATE OR REPLACE PROCEDURE proc_test (v_num IN NUMBER)ASBEGINIF v_num < 10THENDBMS_OUTPUT.put_line (v_num);ELSIF v_num > 10 AND v_num < 50THENDBMS_OUTPUT.put_line (v_num - 10);ELSEDBMS_OUTPUT.put_line (v_num - 50);END IF;END proc_test; CREATE OR REPLACE PROCEDURE proc_...
无需加ANDIF SIGNS=SI_MAXTHEN--拼接关联条件字符串CONDITIONS :=CONDITIONS||F_ALI||TEMP.ID||'.'||CURRENT_VALUE;--拼接查询字符串QUERY_ITEMS :=QUERY_ITEMS||CURRENT_VALUE;ELSE--拼接关联条件字符串CONDITIONS :=CONDITIONS||'AND '||F_ALI||TEMP.ID||'.'||CURRENT_VALUE;--拼接查询字符串QUERY_...
'Globalization' is ambiguous while running on IIS but not at compile time in Visual Studio 'Hashtable' could not be found 'multipleactiveresultsets' Keyword Not Supported 'object' does not contain a definition for 'Replace' and no extension method 'Replace' accepting a first argument of type...
The following example has a Boolean expression (1 = 2) that is false, and therefore prints the second statement. SQL Kopírovať IF 1 = 2 PRINT 'Boolean expression is true.' ELSE PRINT 'Boolean expression is false.'; GO B. Use a query as part of a Boolean expression The followin...
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.186.7)) Subject Views Written By Posted If exist Update else insert query
SQL IF 1 = 2 PRINT 'Boolean expression is true.' ELSE PRINT 'Boolean expression is false.'; GO B. Use a query as part of a Boolean expression The following example executes a query as part of the Boolean expression. Because there are 10 bikes in theProducttable that meet the condition...
SQL Copy IF 1 = 2 PRINT 'Boolean expression is true.' ELSE PRINT 'Boolean expression is false.'; GO B. Use a query as part of a Boolean expression The following example executes a query as part of the Boolean expression. Because there are 10 bikes in the Product table that meet ...