2. 调用create_sql_query_chain函数 create_sql_query_chain函数用于创建一个链,该链能够将自然语言问题转换为SQL查询,并执行该查询以从数据库中检索信息。这个函数需要至少两个参数:一个是大语言模型(LLM)实例,另一个是数据库连接实例。 示例代码 以下是一个示例代码,展示了如何使用create_sql_query_chain函数: ...
// Create database if (mysql_query("CREATE DATABASE my_db",$con))//创建数据库 { echo "Database created"; } else { echo "Error creating database: " . mysql_error(); } // Create table in my_db database mysql_select_db("my_db", $con);//选择数据库 $sql = "CREATE TABLE Per...
When ON is specified, the database can be the source or target of a cross-database ownership chain. When OFF, the database cannot participate in cross-database ownership chaining. The default is OFF. Important The instance of SQL Server will recognize this setting when the cross db ownership...
SQL Copy --This query can use the indexed view even though the view is --not specified in the FROM clause. SELECT SUM(UnitPrice * OrderQty * (1.00 - UnitPriceDiscount)) AS Rev, OrderDate, ProductID FROM Sales.SalesOrderDetail AS od INNER JOIN Sales.SalesOrderHeader AS o ON od....
Transact-SQL reference for the CREATE TRIGGER statement, which is used to create a DML, DDL, or logon trigger.
SQL Server is unable to use all the optimized techniques on some statements that can be included in an MSTVF, resulting in a suboptimal query plan. To obtain the best possible performance, whenever possible use joins between base tables instead of functions.MSTVFs have a fixed cardinality guess...
Learn How to create and manage a database in SQL, this is the place to start! you will be rewarded with learning some very dry material,The classic SQL Query…
For more information, see Query Hints (Transact-SQL).ENCRYPTIONApplies to: SQL Server ( SQL Server 2008 (10.0.x) and later), Azure SQL Database.Indicates that SQL Server converts the original text of the CREATE PROCEDURE statement to an obfuscated format. The output of the obfuscation isn'...
For more information, see Query Hints (Transact-SQL).ENCRYPTIONApplies to: SQL Server ( SQL Server 2008 (10.0.x) and later), Azure SQL Database.Indicates that SQL Server converts the original text of the CREATE PROCEDURE statement to an obfuscated format. The output of the obfuscation isn'...
Oracle9i Data Warehousing Guidefor more information on query rewrite, the optimizer and the Summary Advisor Oracle9i Supplied PL/SQL Packages and Types Referencefor information on theDBMS_OLAP.validate_dimensionprocedure Prerequisites To create a dimension in your own schema, you must have theCREATEDIMEN...