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pls to those who have completed the SQL of this app....is it all that is to be known or this is not the complete SQL we need to know
4 ответов
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Good evening. I think it's a good introduction to SQL. To improve, you can read the official documentation, for example of mysql, or other SQL version.
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see... this the only way u can be the best with SQL basics .....because this covers the simple basics in which mistake can happen..... so just go through it ....all the best👍
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yes go through official sql reference of company product you want to learn. This course lacks functions. Specially single row functions and other database objects like indexes, synonym and sequence.
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this course include the basic lessons. my recomendation is todo study functions, triggers, views