A known issue is posted where inserting nulls into Data Warehouse tables fail with incorrect error message. When you insert NULL values into NOT NULL columns in SQL ...

This assignment focuses on practicing Structured Query Language (SQL) to perform various operations on relational database tables. The goal is to improve understanding and skills in creating tables, ...

proc sql; create table proclib.paylist (IdNum char(4), Gender char(1), Jobcode char(3), Salary num, Birth num informat=date7. format=date7., Hired num informat=date7 ...

When you insert new records into an SQL database, you may run into issues where you accidentally overwrite records that are already present due to a duplication issue. You can use a simple alteration ...

Knowing exactly what in-memory OLTP tables are used for will help you make the most of one of SQL Server's newest features. While in-memory online transaction processing (OLTP) tables may sound like a ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

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 ...