Database.SelectLatestVersion() 备注 This method can be invoked without specifying the data type name.RemarksThis method makes sure that the data displayed is the most current data in the database. The method clears all non-locked records from the client cache, the...
Database.SelectLatestVersion() 备注 This method can be invoked without specifying the data type name.RemarksThis method makes sure that the data displayed is the most current data in the database. The method clears all non-locked records from the client cache, thereb...
SQL Server 2022 (16.x) 和更新版本支援CREATE EXTERNAL TABLE AS SELECT(CETAS) 來建立外部數據表,然後平行匯出 Transact-SQL SELECT 語句的結果至 Azure Data Lake Storage (ADLS) Gen2、Azure 儲存器帳戶 V2 和 S3 相容的物件記憶體。 注意 適用於 Azure SQL 受控執...
SQL 查询语言专为查询存储的关系和生成有限的关系结果而设计。流式处理 SQL 的基础是 STREAM 关键字,它告诉系统计算关系的时差。关系的时差是关系相对于时间的变化。流式查询计算关系相对于时间的变化,或者根据多个关系计算的表达式的变化。要询问Amazon Kinesis Data Analytics 中某个关系的时差,我们使用 STREAM 关键...
The foundation of streaming SQL is the STREAM keyword, which tells the system to compute the time differential of a relation. The time differential of a relation is the change of the relation with respect to time. A streaming query computes the change in a relation with respect to time, or...
Azure Synapse Analytics 中的无服务器 SQL 池不支持此语法。 Microsoft Fabric 中的仓库支持 CTAS。 Transact-SQL 语法约定 语法 syntaxsql 复制 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } [ ( column_name [ ,...n ] ) ] ...
Refresh settings—If the Auto refresh option is turned off, the data is refreshed only when you refresh the app or the builder. Turn on Auto refresh to refresh the data and get the latest features based on a specified time interval. You can set a custom time interval, or if the data ...
SELECT CONCAT(LastName,', ',FirstName) AS fullname FROM employeesCode language: SQL (Structured Query Language) (sql) An SQL alias is used to format the output in this example. Summary Use the SELECT statement to query data from a table. Specify one or more column names after the SELECT...
You haven't specified the database. If it is one that allows analytical functions it may be faster to use this approach than the GROUP BY one(definitely faster in Oracle, most likely faster in the late SQL Server editions, don't know about others). ...
DataTables/Select master BranchesTags Code Folders and files Name Last commit message Last commit date Latest commit AllanJard Merge pull request#57from Lexachoc/patch-1 Jan 13, 2025 44fc42f·Jan 13, 2025 History 333 Commits .github Dev: Add sponsor button to repo...