c 中sql語句怎樣換行

2021-08-07 19:41:28 字數 753 閱讀 4371

string sql = string.format(@"select oid as'訂單號',ordername as '訂單別名',funtype as '方案商',

txmid as'條碼方案編號',makedate as '生產日期',count as '數量',remark as '備註',

vipp_01 as '採集點1',vipp_01_su_id as '方案準備1',vipp_02 as '採集點2',vipp_02_su_id as '方案準備2',

vipp_03 as '採集點3',vipp_03_su_id as '方案準備3',vipp_04 as '採集點4',vipp_04_su_id as '方案準備4',

vipp_05 as '採集點5',vipp_05_su_id as '方案準備5',vipp_06 as '採集點6',vipp_06_su_id as '方案準備6',

vipp_07 as '採集點7',vipp_07_su_id as '方案準備7',vipp_08 as '採集點8',vipp_08_su_id as '方案準備8',

vipp_09 as '採集點9',vipp_09_su_id as '方案準備9',vipp_10 as '採集點10',vipp_10_su_id as '方案準備10',

vipp_11 as '採集點11',vipp_11_su_id as '方案準備11',vipp_12 as '採集點12',vipp_12_su_id as '方案準備12'from orderdetail");

c 中 執行SQL語句

網上看的 刪除一行資料,雖然下面兩個寫法都能實現,但是都有問題。void c資料庫測試dlg onbnclickeddelbtn cstring str m listctrl.getitemtext index,1 strsql.format t delete from customertype w...

java類中寫sql語句,查詢條件包含換行

detachedcriteria.add restrictions.or restrictions.like chengbandanweiids rform.getchengbandanweiids char 13,matchmode.start restrictions.or restrictio...

怎樣編寫高效的SQL查詢語句

怎樣編寫效能比較高的sql查詢語句呢?兩個方法 建立合理的索引。書寫高效的sql語句 索引分為聚集索引和非聚集索引。乙個表僅僅能建立乙個聚集索引和n個非聚集索引,這句話的由來主要是因為索引的原理決定的。資料庫中的一張表不論你建立不建立索引,或者,不論你建立那種型別的索引。其在硬碟上的儲存是一樣的,那...