select column from table where 1=1 fetch first 10 rows only 3、mysql: select * from table1 where 1=1 limit 10 4、sql server: 读取前10条:select top (10) * from table1 where 1=1 读取后10条:select top (10) * from table1 order by id desc 5、oracle: select * from table1 where...
select column from table where 1=1 fetch first 10 rows only mysql: select * from table1 where 1=1 limit 10 sql server: 读取前10条:select top (10) * from table1 where 1=1 读取后10条:select top (10) * from table1 order by id desc oracle: select * from table1 where rownum<=10...
2、db2：select column from table where 1=1 fetch first 10 rows only 3、mysql：select * from table1 where 1=1 limit 10 4、sql server:读取前10条：select top (10) * from table1 where 1=1 读取后10条：select top (10) * from table1 order by id desc 5、oracle：select *...
FETCH returns a row from the active set, assigns column values in the select list to corresponding host variables in the INTO clause, and advances the cursor to the next row. If there are no more rows, FETCH returns the "no data found" Oracle error code to sqlca.sqlcode....
test_student_score”的全部记录。 SQL> select t.* from test_student_score t; STUDEN ...
select column from table where 1=1 fetch first 10 rows only mysql：select * from table1 where 1=1 limit 10 sql server:读取前10条：select top (10) * from table1 where 1=1 读取后10条：select top (10) * from table1 order by id desc oracle：select * from table1 where ...
from table where 1=1 fetch first 10 rows only 3、mysql：select * from table1 where 1=1 limit 10 4、sql server:读取前10条：select top (10) * from table1 where 1=1 读取后10条：select top (10) * from table1 order by id desc 5、oracle：select * from table1 where rownum<=10 ...
SQL_CA2_MAX_ROWS_CATALOG = 當數據指標是動態數據指標時,SQL_ATTR_MAX_ROWS語句屬性會影響 CATALOG 結果集。SQL_CA2_MAX_ROWS_AFFECTS_ALL = 當數據指標是動態數據指標時,SQL_ATTR_MAX_ROWS語句屬性會影響 SELECT、INSERT、DELETE 和UPDATE 語句,以及 CATALOG 結果集。SQL_CA2_CRC_EXACT = 當數據指標是動態...
在SQL Server、Oracle、PostgreSQL等数据库中,可以使用ROW_NUMBER()函数来获取指定行数据。ROW_NUMBER()函数可以为查询结果中的每一行分配一个唯一的行号。 例如,在SQL Server中,可以使用如下SQL语句获取第6到第10行的数据: WITH NumberedRows AS ( SELECT *, ROW_NUMBER() OVER (ORDER BY id) AS RowNum ...
SQL_CA2_MAX_ROWS_CATALOG = 當數據指標是動態數據指標時,SQL_ATTR_MAX_ROWS語句屬性會影響 CATALOG 結果集。SQL_CA2_MAX_ROWS_AFFECTS_ALL = 當數據指標是動態數據指標時,SQL_ATTR_MAX_ROWS語句屬性會影響 SELECT、INSERT、DELETE 和UPDATE 語句,以及 CATALOG 結果集。SQL_CA2_CRC_EXACT = 當數據指標是動態...