What does P mean in SQL?

Question

This syntax FROM tablename p. or JOIN tablename p. create an alias for a table name. In most cases, it is simply a way to shorten your statement, because you can use a shorter name in place of a full table name. 3 дек. 2013 г.

What does P stand for in SQL?

Data Type SyntaxExplanation (if applicable)decimal(p,s)Where p is a precision value; s is a scale value.realSingle-precision floating point numberdouble precisionDouble-precision floating point numberfloat(p)Where p is a precision value.

What is P in mysql?

It's an alias for the table. It's pointless in the example you gave. In a more complex query, it would let you refer to the table as p instead of by its name. See the table reference syntax in the docs.

What does P mean in database?

Type of constraint definition: C (check constraint on a table) P (primary key)

What does this symbol mean in SQL?

<> this symbol means not equal in sql.

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