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oceanbase/docs/docs-cn/7.developer-guide-1/2.connect-to-the-oceanbase-database/6.query-table-data/3.you-can-call-this-operation-to-query-the-data-that.md
2022-02-10 14:51:49 +08:00

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查询表里符合特定搜索条件的数据

当要查询满足特定搜索条件的数据时,给 SELECT 查询语句增加一个 WHERE 子句即可。SQL 语句格式如下:

SELECT select_list FROM table_list 
WHERE query_condition

以"在 ODC 中运行查询"页面的图为例,查询 2 号仓库第 5 区的订单,SQL 语句如下:

SELECT * FROM ordr WHERE o_w_id=2 and o_d_id=5 ;

在 ODC 中的查询结果如下图所示:

执行结果如下:

+--------+--------+------+--------+--------------+----------+-------------+------------+
| o_w_id | o_d_id | o_id | o_c_id | o_carrier_id | o_ol_cnt | o_all_local | o_entry_d  |
+--------+--------+------+--------+--------------+----------+-------------+------------+
|      2 |      5 | 2100 |   2100 |            5 |       12 |           1 | 2020-02-15 |
|      2 |      5 | 2101 |      4 |         NULL |       11 |           1 | 2020-02-15 |
|      2 |      5 | 2102 |    440 |         NULL |        7 |           1 | 2020-02-15 |
+--------+--------+------+--------+--------------+----------+-------------+------------+
3 rows in set (0.01 sec)