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SQL UPDATE all values in a field with appended string CONCAT not working
...+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select * from t;
...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...式
二、 基础数据结构
2.1 easy_list_t
2.2 easy_pool_t
2.3 easy_buf_t
2.4 easy_connection_t
三、 连接建立
四、 同步处理(OceanBase少量使用这种模式)
五、 异步处理(OceanBase大量采用这种模式)
六、 资源管理
一、OceanBase启动时的使...
How to get first record in each group using Linq
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answered Sep 25 '13 at 19:00
AlirezaAlireza
8,49033 gold badges3232 silver badges5555 bronze badges
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Converting a UNIX Timestamp to Formatted Date String
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324
Try gmdate like this:
<?php
$timestamp=1333699439;
echo gmdate("Y-m-d\TH:i:s\Z", $timestam...
How to write lists inside a markdown table?
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263
Yes, you can merge them using HTML. When I create tables in .md files from Github, I always like...
Hibernate: Automatically creating/updating the db tables based on entity classes
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Steve Chambers
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answered Nov 20 '08 at 21:16
toolkittoo...
How to return an array from JNI to Java?
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Jona
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answered Oct 22 '09 at 21:25
JhericoJherico
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combinations between two lists?
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Bill
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answered Oct 17 '12 at 13:35
interjayinterjay
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AWS S3: The bucket you are attempting to access must be addressed using the specified endpoint
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319
It seems likely that this bucket was created in a different region, IE not us-west-2. That's t...