DROP QUERY Test.BonusCalc FROM Employees.queryBonusCalc:drops the query Employees.BonusCalc(). 如果指定的查询不存在,DROP QUERY将生成SQLCODE-362错误。如果指定的类不存在,DROP QUERY将生成SQLCODE-360错误。如果指定的查询可以引用两个或多个查询,DROP
DROP QUERY BonusCalc FROM User.queryBonusCalc: drops the query SQLUser.BonusCalc(). DROP QUERY Test.BonusCalc FROM queryBonusCalc: drops the query SQLUser.BonusCalc(). DROP QUERY BonusCalc FROM Employees.queryBonusCalc:...
Query OK,1row affected (0.00sec) mysql>mysql>DROPDATABASEIFEXISTSA2;#删除一个库如果你不确定该库是否存在时,你可以使用判断语句,既然改库不存在你也不怕报错啦～Query OK,1row affected (0.01sec) mysql>mysql>SHOW DATABASES;+---+|Database|+---+|A3||course||day03||devops||information_schema|...
1 CREATE DATABASE 句法 2 3 CREATE DATABASE [IF NOT EXISTS] db_name 4 5 CREATE DATABASE 以给定名字创建一个数据库。允许的数据库名规则在章节 6.1.2 数据库、表、索引、列和别名 中被给出。 如果数据库已经存在,并且你...
After an index is dropped, the resulting heap appears in thesys.indexescatalog view withNULLin thenamecolumn. To view the table name, joinsys.indexeswithsys.tablesonobject_id. For an example query, see example D. On multiprocessor computers that are running SQL Server 2005 Enterprise edition ...
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2、Flink SQL示例 1)、非分区表示例 2)、分区表 五、Flink SQL常见的操作示例 本文简单介绍了DROP、alter、insert和analyze的语法及示例 ,并且将FLink sql常用的sql以java 方法整理成一个类,可以直接在java中使用,或在Flink sql cli中直接使用。 本文依赖flink集群能正常使用。 本文示例java api的实现是通过Flink...
构建包含变量和控件的 SQL 语句 创建和删除表和索引 定义表之间的关系 对结果集中的记录进行分组 In 运算符 插入、更新和删除表中的记录 Like 运算符 修改表的设计 执行联接 检索记录 在SQL 语句中使用国际日期格式 Windows API XML 其他 对象模型 Excel Office for Mac Outlook PowerPoint Project Publ...
snapshots (SQL Server). Dropping a database snapshot clears entries in the plan cache associated with the database snapshot, not the instance as a whole. Clearing the plan cache causes a recompilation of all subsequent execution plans and can cause a sudden, temporary decrease in query ...
Applies to: SQL Server Azure SQL Managed Instance Initially add articles to a publication when you create it in the New Publication Wizard. For more information about using this wizard, see Create a Publication. After a publication is created, add and delete articles on the Articles page of ...