gt; set show_hidden_columns=true; 2 Query OK, 0 rows affected (0.00 sec) 3 mysql> desc test_table; 4 +------------------------+--------------+------+-------+---------+---------+ 5 | Field | Type |
举例说明: SQL 复制 1 mysql> explain shape plan select /*+ leading(t2 t1) */ * from t1 join t2 on c1 = c2; 2 +------------------------------------------------------------------------------+ 3 | Explain String
举例 SQL 复制 1 mysql> SELECT regexp_replace_one('a b c', ' ', '-'); 2 +-----------------------------------+ 3 | regexp_replace_one('a b c', ' ', '
dts.baidubce.com 3 Authorization : authorization string 4 { 5 srcConnection : { 6 instanceType : public , 7 region : bj , 8 dbType : mysql
MySQL PostgreSQL GaiaDB GaiaDB-X Redis PegaDB MongoDB 数据安全 数据追踪 Binlog 文件总的大小阈值配置(GB) ✔️ ❌ ✔️ ✔️ ❌ ❌ ❌
返回结果说明: SQL 复制 1 mysql> show resources; 2 +-------------------+--------------+-----------+--------------+ 3 | Name | ResourceType | Item | Value | 4 +-------------------+--------------+-----------+-
注意事项 本接口适用于MySQL引擎类型的实例,接口允许传入双机高可用版实例,允许传入MySQL引擎类型的只读实例。
7 "trxRequestedLockId" : "trxRequestedLockId", 8 "trxStarted" : "2022-01-17 10:56:41", 9 "trxMysqlThreadId
举例 SQL 复制 1 mysql> SELECT regexp_extract('AbCdE', '([[:lower:]]+)C([[:lower:]]+)', 1); 2 +-------------------------------------------------------------+ 3 | regexp_extract('
开启 jdbc 的 prepared statement,完整的 url 为 jdbc:mysql://127.0.0.1:9030?