SQL: select * from com_transaction where 1=1 and user_id = ? order by id desc fetch first 10 rows only;Cause: java.sql.SQLException: ORA-00933: SQL 命令未正确结束; bad SQL grammar []; nested exception is java.sql.SQLException: ORA-00933: SQL 命令未正确结束 在想会不会是Oracle不支持...
使用Oracle 12 的 FETCH FIRST 以下SQL 语句展示了 Oracle 的等效示例: 选择"Customers" 表的前 3 条记录: 代码语言:sql 复制 SELECT * FROM Customers FETCH FIRST 3 ROWS ONLY; 使用旧版 Oracle 的 ROWNUM 以下SQL 语句展示了旧版 Oracle 的等效示例: 选择"Customers" 表的前 3 条记录: 代码语言:sql 复...
order by id desc fetch first 10 rows only;Cause: java.sql.SQLException: ORA-00933: SQL 命令未正确结束; bad SQL grammar []; nested exception is java.sql.SQLException: ORA-00933: SQL 命令未正确结束 在想会不会是Oracle不支持fetch first rows only关键字?
FETCHNEXT1ROWSFETCHFIRST1ROW ONLY | WITH TIES选项 仅返回FETCH NEXT(或FIRST)后的行数或行数的百分比。 WITH TIES返回与最后一行相同的排序键。请注意,如果使用WITH TIES,则必须在查询中指定一个ORDER BY子句。如果不这样做,查询将不会返回额外的行。 Oracle FETCH子句实例 1. 获取前N行记录的示例 以下语句...
Here, the SQL command selects the first2rows from the table. Example: SQL TOP Clause SQL FETCH FIRST Clause TheFETCH FIRST n ROWS ONLYclause is used with the Oracle database system. Let's look at an example. SELECT*FROMCustomersFETCHFIRST2ROWSONLY; ...
The following SQL statement shows the equivalent example for Oracle:Example SELECT * FROM CustomersORDER BY CustomerName DESCFETCH FIRST 3 ROWS ONLY; ❮ Previous Next ❯ W3schools Pathfinder Track your progress - it's free! Log in Sign Up ...
COUNT = 0; --循环表数据 FOR I IN TAB_FIRST_INDEX.FIRST .. TAB_FIRST_INDEX.LAST LOOP DBMS_OUTPUT.PUT_LINE('{"ID":"' || TAB_FIRST_INDEX(I).A_ID || '","名称":"' || TAB_FIRST_INDEX(I).A_INDEXNAME || '"}'); END LOOP; END LOOP; CLOSE CUR_FIRST_INDEX; END; 注意上面...
ROW_CUR_FIRST_INDEX CUR_FIRST_INDEX%ROWTYPE; /*游标处理*/ BEGIN /*遍历显式游标*/ --FOR 循环 FOR ROW_CUR_FIRST_INDEX IN CUR_FIRST_INDEX LOOP --循环体 DBMS_OUTPUT.PUT_LINE('{"ID":"' || ROW_CUR_FIRST_INDEX.A_ID || '","名称":"' || ROW_CUR_FIRST_INDEX.A_INDEXNAME || '...
FETCH [ direction [ FROM | IN ] ] cursor_name 其中 direction 可以为空或者以下之一: NEXT PRIOR FIRST LAST ABSOLUTE count RELATIVE count count ALL FORWARD FORWARD count FORWARD ALL BACKWARD BACKWARD count BACKWARD ALL 说明 这个页面描述在 SQL 命令层面上对游标的使用。如果想要在 PL/SQL函数中使用游...
The fix is included in Oracle Database 19c and onwards For Oracle Database 12c, there are on-off patches (22174392) This change can have a dramatic effect on the performance for these types of queries, so it's well worth a look if you have FETCH FIRST ROWS queries. ...