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MySQL 高级

时间:2017-03-15 10:33:52      阅读:167      评论:0      收藏:0      [点我收藏+]

标签:code   efault   values   value   insert   ace   sql 语句   name   pre   

# 可能插入重复数据的 SQL 语句

 

  1. REPLACE
  2. INSERT ... ON DUPLICATE KEY

 

REPLACE [LOW_PRIORITY | DELAYED]
    [INTO] tbl_name
    [PARTITION (partition_name,...)]
    [(col_name,...)]
    {VALUES | VALUE} ({expr | DEFAULT},...),(...),...

REPLACE [LOW_PRIORITY | DELAYED]
    [INTO] tbl_name
    [PARTITION (partition_name,...)]
    SET col_name={expr | DEFAULT}, ...

REPLACE [LOW_PRIORITY | DELAYED]
    [INTO] tbl_name
    [PARTITION (partition_name,...)]
    [(col_name,...)]
    SELECT ...

 

INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
    [INTO] tbl_name
    [PARTITION (partition_name,...)]
    [(col_name,...)]
    {VALUES | VALUE} ({expr | DEFAULT},...),(...),...
    [ ON DUPLICATE KEY UPDATE
      col_name=expr
        [, col_name=expr] ... ]

INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
    [INTO] tbl_name
    [PARTITION (partition_name,...)]
    SET col_name={expr | DEFAULT}, ...
    [ ON DUPLICATE KEY UPDATE
      col_name=expr
        [, col_name=expr] ... ]

INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE]
    [INTO] tbl_name
    [PARTITION (partition_name,...)]
    [(col_name,...)]
    SELECT ...
    [ ON DUPLICATE KEY UPDATE
      col_name=expr
        [, col_name=expr] ... ]

 

Reference:

https://dev.mysql.com/doc/refman/5.7/en/replace.html REPLACE Syntax

https://dev.mysql.com/doc/refman/5.7/en/insert.html INSERT Syntax

 

MySQL 高级

标签:code   efault   values   value   insert   ace   sql 语句   name   pre   

原文地址:http://www.cnblogs.com/Piers/p/6552819.html

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