Is there a difference using join andselect from multi-tables?

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借酒劲吻你
借酒劲吻你 2020-12-07 04:22

First option:

SELECT Table1.* ,Table2.Price AS Price
FROM
  Table1,Table2
WHERE
  Table1.ID = Table2.ID 

Second op

5条回答
  •  难免孤独
    2020-12-07 05:03

    The second way does the same thing, only with ANSI (American National Standards Institute standardized Structured Query Language) SQL, a standard form of SQL. Research it further to find its pros and cons.

    http://it.toolbox.com/blogs/oracle-experience/a-case-for-ansi-sql-15647

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