MS SQL learning record-6

Subquery (Continued) Comparison operator (Continued) Demonstration: how to use comparison operators in multivalued subqueries Example A: query all orders with product category No. 1 and return all field data of the order Subquery select * from sales.orders where orderid in ( select orderid from sales.orderdetails ...

Posted by summerpewp on Sun, 30 Jan 2022 00:03:23 +0100

Common methods of sql server right lifting in windows system

1. MSSQL overview MSSQL(MicroSoft SQL Server database) is a relational database management system DBMS developed by Microsoft. It is a large database and provides a complete solution from server to terminal. The database management system SSMS (SQL Server Management Studio) is an integrated development environment for establishing, using a ...

Posted by jxrd on Fri, 14 Jan 2022 21:42:09 +0100