sql²éѯ СÊýÎÊÌâ
Êý¾Ý¿âÖÐÒ»¸ö×ֶεÄÖµÊÇ19.120£¬ÈçºÎ²éѯ¿ÉÒÔÈýá¹û¼¯ÖиÃ×ֶεÄֵΪ19.12£¬Ò²¾ÍÊÇÖ»ÏÔʾÁ½Î»Ð¡Êýµã
SQL code: dec(18,2) SQL code: cast(col as dec(18,2)) SQL code: select cast(col as dec(18,2)) from tb SQL code: cast(col as dec(18,2)) ¶¥£¡ SQL code: select cast(col as dec(18,2)) SQL code: SELECT CAST(lzzf_area AS dec(18, 2)) AS Expr1 from lowHourse Ö´ÐÐÕâ¶Î´úÂëµÄʱºò³ö´í£º²»ÄܶÔdecimalµ÷Ó÷½·¨ SQL code: select cast(lzzf_area as decimal(18,2))AS Expr1 from lowHourseÒýÓà SQL codeSELECTCAST(lzzf_areaASdec(18,2))AS Expr1
Ïà¹ØÎÊ´ð£º
ÎÒÓжà¸ö±íA B C ½á¹¹ÊÇÒ»ÑùµÄ£¬¶¼ÓÐ2¸ö×Ö¶ÎnameºÍcontent,ÎÒÒªËÑË÷ËùÒÔ±íËùÓÐ×Ö¶ÎÖаüº¬¡°Öйú¡±µÄÄÚÈÝ Õâ¸öSQLÓï¾äÔõôд ÈçºÎ½«¶à¸ö±íµÄ²éѯ½á¹ûÁ¬³ÉÒ»¸ö±í Õâ¸öSQLÓï¾äÔõôд ±íµÄ½á¹¹ÊÇÒ»ÑùµÄ ÀýÈç£ ......
ÏÖÔÚÓÐÁ½ÕÅ±í£ºÎÄÕÂÖ÷±íA(articleId,articleTitle)£¬ÎÄÕÂÆÀÂÛ±íB(commentId,articleId,commentTitle) ÏÖÔÚÎÒÏëʵÏÖÕâÑùµÄ¹¦ÄÜ£ºÁгöÎÄÕÂÁÐ±í£¬ÆäÖÐÿƪÎÄÕ±êÌâÏÂÃæÁгö´ËÎÄÕµÄǰ2¸öÎÄÕÂÆÀÂÛ£¬ÇëÎÊsqlÓï¾äÔõôд°¡ ......
ÎÒÊÇÔÚtoadÖÐÊäÈë϶Îsql declare TYPE test_rec IS record( code varchar(10), name varchar(30) ); v_book test_rec; ......
sqlµÄÈí¼þÔÚÄÄÀï¿ÉÒÔϰ¡£¡ÔÚÍøÉÏÕÒÁËÂù¶à¶¼Óò»Á˰¡ Ëæ±ã¸ãÒ»D°æ°É£¬ ѸÀ×µÚÒ»¸ö¾Í¿ÉÒÔÓà 2000,2005¶¼ÕâÑù http://119.147.41.16/down?cid=0698C2D64D7D637D90A6D2482298E6717D4F15CD&t=2&fmt=-1 ......
select count(1) from FX_RETURNBOOKCHECKLIST fxreturnbo0_ where fxreturnbo0_.BOOKID='164 ' AND fxreturnbo0_.RETURNID='00025.S0000001' ÉÏÃæÒ»¸ö¼òµ¥µÄSQL,Ö´ÐÐʱ¼ä2.6à ......