Define Database query. Database query synonyms, Database query pronunciation, Database query translation, English dictionary definition of Database query. Computers n. also data base A collection of data arranged for ease and speed of search and retrieva
change the design of a table. Be careful when you use a data-definition query to modify objects in your database. If you are not responsible for maintaining the database that you are using, you should consult with the administrator of the database before ...
Thedatabaseis a repository of all types of data. After storing it, there should be a mechanism to access, manipulate and update it. For this, we have a tool in the form of a query to perform all these operations. There are many query language like SQL, Search Engine Query Language (G...
Database structures are defined through the use of a data definition language. 数据库结构是通过使用数据定义语言定义的. The commands that system users execute in order to store and retrieve data can be entered at a terminal with an RDBMS interface by typing the commands, or entered through use...
Note: order_by('?') queries may be expensive and slow, depending on the database backend you’re using. To order by a field in a different model, use the same syntax as when you are querying across model relations. That is, the name of the field, followed by a double underscore (...
If you are using Power Pivot in Excel, you can build an MDX query using the MDX Query Designer when you import from a multidimensional database running on Analysis Services. Who should use the MDX Query Designer? You’ll be successful with the MDX query builder if you already have MDX exp...
Design query in editor using the context menu The Query and View Designer opens when you open the definition of a view, show the results for a query or view, or create or open a query. Include actual execution plan using the context menu Executes the query, returns the query results, and...
查询构建器建立在Database Access Objects基础之上,可让你创建 程序化的、DBMS无关的SQL语句。相比于原生的SQL语句,查询构建器可以帮你 写出可读性更强的SQL相关的代码,并生成安全性更强的SQL语句。 使用查询构建器通常包含以下两个步骤: 创建一个yii\db\Query对象来代表一条 SELECT SQL 语句的不同子句(例如SELECT...
connection$reader.Close()$connection.Close()# Initialize the results array$results= @()foreach($databaseNamein$databaseNames){# Create the SQLClient connection string for the current database$databaseConnectionString="Server=tcp:$serverName,1433;Database=$databas...
Basic Approval Model Data Basic Form Basic Form Metadata bot_botcomponent bot_botcomponentcollection bot_environmentvariabledefinition botcomponent_aipluginoperation botcomponent_botcomponent botcomponent_connectionreference botcomponent_dvtablesearch botcomponent_environmentvariabledefinition botcomponent_msdyn_aimodel...