insert-update

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JDBC insert or update practice

I need to insert a record to table if the record doesn\'t exist, and to update a record if the record exists in the table.[详细]

2023-03-11 05:10 分类：问答
How to find the time of a row updated into a table in Sql Server 2005?

Is it possible to find the time when the row was updated into a table. For Example IDNAMECOURSE ------------------[详细]

2023-03-09 00:34 分类：问答
How do you work with Entity relationship within Doctrine 2?

When you want to insert an Entity you do this: $user = new User(); $user->setEmail(\'john@doe.com\');[详细]

2023-03-06 14:35 分类：问答
postgresql way to insert row with "ON CONFLICT" clause semantics

Is there an easy way in postgres to do the equivalent of the following in开发者_JS百科 sqlite? INSERT INTO foo (x, y, z) VALUES (1, 2, 3) ON CONFLICT replace;[详细]

2023-03-02 06:04 分类：问答
MySQL on duplicate key on a non-unique field

I have a table containing all sort of parameters. The structure of the table is : id, object_id, param_name, param_value[详细]

2023-03-01 11:10 分类：问答
How can I update a row in Interbase database?

I have two rows with same data in an Interbase table.The table开发者_如何转开发 does not have a primary key. How can I update a single row in that table?Interbase tables has a system column named RDB$[详细]

2023-02-28 07:55 分类：问答
MySQL INSERT ... SELECT... ON DUPLICATE KEY UPDATE increment

I am having some problems with a INSERT SELECT ON DUPLICATE KEY UPDATE query. I want to to perform actions such as increment of a field in the table being inserted on for each of the rows returned by[详细]

2023-02-27 01:15 分类：问答
php update limit not work in a mysql_fetch_array loop

I want to let my database article reclassified. I explode the text of a given article, and then see if there is one word of the article match 1 tag which it has appear in the category table, then upda[详细]

2023-02-22 06:27 分类：问答
MySQL UPDATE AND INSERT Statement

Currently there\'s some data that was entered incorrectly and I basically need to run a schema which updates the current record and inserts a new one (in one statement if possible). The table is set u[详细]

2023-02-21 19:48 分类：问答
php - How to efficient writing mysql update in this situation?

I want to let my database article reclassified. I have no good idea to Classification articles more better. I build a reference table, put every probably words of each category in it.[详细]

2023-02-21 13:09 分类：问答