例如: You could use the decode function in an SQL statement as follows: select supplier_name,decode(supplier_id,1000,'IBM',10001,'Microsoft','1002','Hewlett Packard','Gateway') result from suppliers; 上面的sql语句相当于下面的IF-THEN-ELSE : IF supplier_id = 10000 THEN result := 'IBM';...
You could use the decode function in an SQL statement as follows: select supplier_name,decode(supplier_id,1000,'IBM',10001,'Microsoft','1002','Hewlett Packard','Gateway') result from suppliers; 上面的sql语句相当于下面的IF-THEN-ELSE : IF supplier_id = 10000 THEN result := 'IBM'; ELSIF ...
例如：You could use the decode function in an SQL statement as follows:select supplier_name,decode(supplier_id,1000,'IBM',10001,'Microsoft','1002','Hewlett Packard','Gateway') result from suppliers;上面的sql语句相当于下面的IF-THEN-ELSE :IF supplier_id = 10000 THENresult := 'IBM';ELSIF ...
例如: You could use the decode function in an SQL statement as follows: select supplier_name,decode(supplier_id,1000,'IBM',10001,'Microsoft','1002','Hewlett Packard','Gateway') result from suppliers; 上面的sql语句相当于下面的IF-THEN-ELSE : IF supplier_id = 10000 THEN result := 'IBM';...
Connection string in ssis(Windows authentication) Connectivity issue with Oracle Source Consider using the WITH RESULTS SETS calus_metadata could not be determined because statement 'exec sp_executesql contains dynamic sql_e to explicity describe the ressults Conversion between types DT_DATE and DT_DB...
MySQL CASE Statement 通过以上内容,您可以全面了解MySQL中DECODE函数的基础概念、优势、类型、应用场景以及常见问题及其解决方法。 相关搜索: mysql 中decode函数用法 mysql decode函数用法 decode的mysql用法 mysql数据库decode用法 mysql中decode函数 mysql 中decode函数 ...
Last_SQL_Errno: 1032(从库少数据,主库更新的时候,从库报错) Last_SQL_Error:Could not execute Update_rows event on table test.t; Can't find record in 't', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000014, end_log_pos 1708 ...
sqllite decode函数 SQLite does not have a built-in DECODE function like some other database systems. However, you can achieve similar functionality using the CASE statement. The CASE statement allows you to define multiple conditions and return differentvalues based on those conditions. Here is an...
defaultis optional. If no matches are found, the decode will returndefault. Ifdefaultis omitted, then the decode statement will return null (if no matches are found). Applies To: Oracle 9i, Oracle 10g, Oracle 11g For example: You could use the decode function in an SQL statement as follo...
The DECODE function in Oracle is a versatile and powerful tool that allows users to perform conditional transformations on data within an SQL query. It is similar to the CASE statement, but it offers a more compact syntax, making it a popular choice for simplifying complex queries and improving...