OceanBase 数据库 SQL 型 V4.1.0 参考指南 应用开发参考 SQL 语法 普通租户(MySQL 模式) SQL 语句 SET SET 更新时间:2023-07-28 10:45:58 编辑 描述 该语句用于设置变量。 语法 SET[SESSION|GLOBAL]var_and_val_list;var_and_val_list: var_and_val[,var_and_val...]var_and_val: var_value {TO...
SCHEMASET SCHEMA ' value '是SET search_path TO value的一个别名。 使用这种语法只能指定一个模式。 NAMESSET NAMES value是SET client_encoding TO value的一个别名。 SEED为随机数生成器(函数random)设置一个内部种子。允许的值是 -1 和 1 之间的浮点数,它会被乘上 231-1。 也可以通过调用函数setseed来...
Description Transcript This video demonstrates how to restore a set of Oracle Archive logs using PowerProtect Data Manager UI. Suggested Videos How to Configure an NTP Server in PowerProtect Data Manager UI | Step-by-Step Tutorial 2:05 PowerProtect Data M...
The following code is a complete sample of login and logoff resource actions. The sample is tailored to a specific customer’s environment using a Top Secret resource. As such, the text of commands, prompt, and command sequences will most likely differ across deployments. Note that the resourc...
= null) { // Mapping 映射属性生成 workOrder.setWorkNo(String.valueOf(posOrder.getId())); } // 同名属性自动映射 workOrder.setGmtCreate(posOrder.getGmtCreate()); // 设置默认值 workOrder.setIsDeleted("n"); // 自定义方法 workOrder.setSequenceId(getSequenceId()); return workOrder; } @...
During conversion from one character set to another, Oracle expects data to be encoded in the character set specified by the NLS_LANG initialization parameter. If you put other values into the string (for example, by using the CHR or CONVERT SQL functions), then the values may be corrupted ...
RFS[20]: Opened log for thread 1 sequence <sequence#> dbid <dbid> branch <branch value>Deleted Oracle managed file <+diskgroup>/dbname/filetype/filetypetag.file.incarnationMon May 25 06:44:07 2015Errors in file /<path>/diag/rdbms/<db_name>/<oracle_sid>/trace/<oracle_sid>_rfs_<pid>....
create sequence T_SETMEAL_SEQ minvalue1 -- 最小值=1maxvalue999999999999999999999999999 --指定最大值-- 或nomaxvalue --没有最大值-- NOCYCLE; --不循环 start with12 --从12开始 increment by1 --每次递增1 cache20; INSERT INTO t_setmeal VALUES (T_SETMEAL_SEQ.NEXTVAL,'入职无忧体检套餐(男女...
How to get OLD value while writting AFTER UPDATE trigger How to get records that have same id but different name? How to get rid of Warning: Null value is eliminated by an aggregate or other SET operation. How to get row_number in sequence in recursive CTE How to get save result from...
If we had a Python sequence and looked at seq[-5:], we would see the fifth-last item first. Django doesn’t support that mode of access (slicing from the end), because it’s not possible to do it efficiently in SQL. Also, note that reverse() should generally only be called on a...