computer science

List of SQL reserved words

List of SQL reserved words is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of SQL reserved words rather than just read about it. In short: This list includes SQL reserved words – aka SQL reserved keywords, as the SQL:2023 specifies and some RDBMSs have added. A dash (—) means that the keyword is not reserved.

Key takeaways

List of SQL reserved words belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect List of SQL reserved words to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of List of SQL reserved words from memory before moving on to harder problems.

Reference excerpt

This list includes SQL reserved words – aka SQL reserved keywords, as the SQL:2023 specifies and some RDBMSs have added.

A dash (—) means that the keyword is not reserved.

See also SQL SQL syntax List of relational database management systems

External links Page listing all reserved words in the SQL standard, from SQL-92 to SQL:2016: Standard SQL Reserved Words Summary.

References

Worked examples

Example 1 — a first encounter with List of SQL reserved words

Start with the simplest possible case. Write down what List of SQL reserved words claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of SQL reserved words before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of SQL reserved words ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of SQL reserved words

In research: List of SQL reserved words appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses List of SQL reserved words in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: List of SQL reserved words is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computing-related lists, SQL, so understanding it makes those chapters shorter.
In everyday life: Look for List of SQL reserved words outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study List of SQL reserved words in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what List of SQL reserved words means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain List of SQL reserved words out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of SQL reserved words in simple terms?

This list includes SQL reserved words – aka SQL reserved keywords, as the SQL:2023 specifies and some RDBMSs have added. A dash (—) means that the keyword is not reserved.

Why does List of SQL reserved words matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of SQL reserved words?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of SQL reserved words.