If you want to migrate unique values from one table to another table with a smaller size, you need to truncate values. The problem is to make sure the values are still unique. Let’s look at the following example.
T-SQL lets you perform more complex queries such as joins and subqueries.
Transact-SQL (T-SQL) is Microsoft’s and Sybase’s proprietary extension to SQL. The “AdventureWorks” database is used here.
The Data Manipulation Language (DML) part of SQL lets you manipulate data, such as inserting, updating, deleting, and retrieving.
The Data Definition Language (DDL) part of SQL lets you create or delete tables. Let’s find out how you can do it using standard SQL commands.
Almost all business applications requires some access to databases. As a developer, it is essential to understand how to access data from database engines. You do not need to know all ins-and-outs of the database tools but SQL is the weapon that you must equip with.