SELECT FIRST N * FROM TABLENAME 3. DB2数据库 SELECT * FROM (SELECT * ROW_NUMBER() OVER({ORDER BY COL1 DESC}) AS ROWNUM FROM TABLENAME) WHERE ROWNUM <= N 或者 SELECT COLUMN FROM TABLENAME FETCH FIRST N ROWS ONLY 4. SQL Server数据库 SELECT TOP N * FROM TABLENAME 5. Sybase数据库...
各种数据库取前⼗⾏的⽅式不⽌⼀种，这⾥只提供个⼈较喜欢使⽤的⽅式 MySQL查询前⼗⾏：SELECT t.* FROM TABLENAME t limit 10;DB2查询前⼗⾏：SELECT t.* FROM TABLENAME t fetch first 10 rows only;Oracle查询前⼗⾏：SELECT t.* FROM TABLENAME t WHERE ROWNUM <= 10;
SELECT t.* FROM TABLENAME t fetch first 10 rows only; Oracle查询前十行: SELECT t.* FROM TABLENAME t WHERE ROWNUM <= 10;
Is there any way in MySQL to get the first 10 distinct rows of a table. i.e. Something like... SELECT TOP 10 distinct * FROM people WHERE names='SMITH' ORDER BY names asc However this method doesn't actually work, because it gives the error: "Syntax Error. Missing operator in q...
select tname,tabtype,rownum rn from tab where rownum <= 150 ) where rn >= 100; 注释:使用序列时不能基于整个记录集合来进行排序,假如指定了order by子句,排序的的是选出来的记录集的排序。 create table mynumber(id int,name varchar(10)); ...
SELECT a.* ,first_value(score) OVER(PARTITION BY cour_no ORDER BY score DESC) AS max_score ...
To skip first 10 rows use OFFSET 10, but LIMIT is also required, If you want to get all the rows and only skip first 10 rows try using a big number like 999999999 or as per your choice SELECT * FROM table LIMIT 999999 OFFSET 10 Share Improve this answer Follow answered Feb 10, ...
mysql>select first_name, email from customer where email regexp "@163[,.]com$"; +---+---+ | first_name | email | +---+---+ |163mail| beijing@163.com | +---+---+ 1 row inset(0.00 sec) 从以上可以看出,如果不使用正则表达式...
SELECT的语法如下: SELECT[ALL | DISTINCT | DISTINCTROW ] [HIGH_PRIORITY] [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT] [SQL_CACHE | SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS] select_expr [, select_expr ...] ...
SELECTTOP5name,hp_maxFROMherosORDERBYhp_maxDESC 如果是 DB2,使用 FETCH FIRST 5 ROWS ONLY 这样的关键字: SELECTname,hp_maxFROMherosORDERBYhp_maxDESCFETCHFIRST5ROWSONLY 如果是 Oracle,你需要基于 ROWNUM 来统计行数: SELECTrownum,last_name,salaryFROMemployeesWHERErownum<5ORDERBYsalaryDESC; ...