October 2002
Beginner
864 pages
18h 41m
English
Content preview from Sams Teach Yourself SQL in 21 Days, Fourth Edition
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Q&A
| Q1: | Is it true that all implementations have extensions to SQL and, if so, wouldn't this make SQL more difficult? |
| A1: | Most implementations, if not all, have their own extensions or enhancements to ANSI SQL. For example, Oracle has PL/SQL (see Bonus Day 4, “An Introduction to Oracle PL/SQL”) and SQL*Plus (see Bonus Day 3, “Using Oracle SQL*Plus to Satisfy Reporting Needs”); another is Microsoft's Transact-SQL (see Bonus Day 5, “An Introduction to Transact-SQL”). The major implementations are ANSI compliant. Once you learn ANSI SQL, you should be able to easily migrate from one implementation to another. |
| Q2: | What sort of conventions/styles should I think about using? |
| A2: | There is not one convention written in stone that you should use when designing ... |
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