sql update multiple columns

Laravel implements batch update of multiple records. Preface I believe that all the children's shoes familiar with laravel know that laravel has batch inserts multiple records at a time, but does not update multiple records by condition at a time. Do you envy the saveAll of

Preface Believe that familiar with laravel children's shoes are known, laravel have a batch to insert multiple records at once, but there is no one-time update multiple records by conditions. Whether Envy thinkphp SaveAll, whether Envy ci update_batch, but so elegant laravel how there is no similar batch update method

Single-table MySQL UPDATE statement: UPDATE [low_priority] [IGNORE] tbl_name SET col_name1=expr1 [, col_name2=expr2 ...] [WHERE Where_definition] [Order BY ...] Update statements for multiple tables: UPDATE [low_priority] [IGNORE] table_references

Update multiple data entries update 'article' set ppercent = '". $ weihbl. "'Where userid in ('". $ sid. "') AND aid in ('". $ aid. "') and sta in ('0 ')"). Dear friends, I want to set ppercent in the articles table that meets the preceding three conditions to the same value. Therefore, it is to update

We have two tables, one for the product table, one for the products, the price for the product, and one for the Productprice table, which we want to update the Price field in the Productprice table to 80% of the price field in the prices table.In MySQL we have several means to do this, one is update table1 t1, table2 ts ... The way:Copy CodeThe code is as follows:UPDATE product P, Productprice ppSET pp.pric

SQL Server newsgroup Please refer to the Data Synchronization Update method between multiple servers: Scenario:Beijing: sql2000 db1Shanghai: sql2000 db2Wuhan: sql2000 db3 K Direct DDN connection between three points The table structures to be synchronized in db1 db2 db3 are the same,Condition 1: db1, db2, and db3 are all new possibilities.Condition 2: db1 has the

Which of the following statements can update the result id of table test with multiple records idnum11223448 as 1, updated to 2, and updated to 3, update to 6 ID 4, update to 11 ------ solution -------------------- if not the same, it cannot be updated together. let's see if there is any other magic writing method. Whi

MySQL multiple tables How to find the contents of the content by the last update time arrangement Field four tables are the same, only the content is different Table name: AAA,BBB,CCC,DDD Four tables Table field: Title,classid,userid,newstime,classname,images I now want to put four independent tables without any association, to find out the last update (new

The SQL statement is: SELECT * FROM table1 where ' text ' like CONCAT ('% ', (select name from table2 where ID =3), '% ');UPDATE ecs_region a,nation b SET a.code = B.code where b.province like concat ('% ', a.region_name, '% ');UPDATE ecs_region a,nation b SET a.code = B.code where b.city like concat ('% ', a.region_name, '% ');

Ext.: http://www.cnblogs.com/jinzhao/archive/2013/05/31/3108755.htmlE-Text good can see directly https://github.com/loresoft/EntityFramework.ExtendedYou can also install the package directly on NuGet, and the latest version has been replaced with an extension to iqueryableBulk DeleteWe were supposed to delete this.// EF Native Deletion requires removing the entity andremoving the context first. Remove (context. Users.first (u=>u.key==xxx); // If you want to delete more foreach (varin"firstname")

CustomersSet cust_email = NULLwhere cust_id = 10005--81.2 update all rows in the table: Update all customer email addresses as ' [email protected] 'Update CustomersSet cust_email = ' [email protected] '--81.3 update multiple columns