Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...

If you want to take a copy of one table and make a copy of it in another schema (under another username), you can use the SQL*Plus COPY command, or a simple <code>"create table foo as select ...

SELECT * FROM Employee WHERE Age >= 30; You can see the prompt and code in Figure C. Figure C: Asking Microsoft Copilot to select records from a SQL table. Image: Mark W. Kaelin ...