Nieuws
If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results. This method won't work in SQL Server, but Microsoft's Trans ...
PRIMARY KEY - constraint uniquely identifies each record in a table. FOREIGN KEY - constraint is used to prevent actions that would destroy links between tables. CREATE DATABASE - creates a new ...
Contribute to DevPlaybook/data-dweeb-volume-1 development by creating an account on GitHub.
SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.
is the name for the constraint being specified. The first form of the CREATE TABLE statement creates tables that automatically map SQL data types to those supported by the SAS System. Use this form ...
Resultaten die mogelijk niet toegankelijk zijn voor u worden momenteel weergegeven.
Niet-toegankelijke resultaten verbergen