The search algorithm that was most recently used by this slave to locate rows for row-based replication. The result shows whether the slave used indexes, a table scan, or hashing as the search algorithm for the last transaction executed on any channel. The method used depends on the setting ...
Date: September 04, 2017 03:30AM is their any limitation for mysql_query while inserting multiple rows. for example: insert into table (column...) values (vals...),(vals...),(vals...),(vals...),...) i am tring to insert more...
Theinitialsizeofthe bufferforclient/server communication.Whencreating multiple-rowINSERTstatements (aswiththe--extended-insert or --opt option), mysqldump creates rows up to net_buffer_length bytes long. If you increase this variable, ensure that the MySQL server net_buffer_length system variable has...
with values of 4 and 7. Separate transactions that attempt to insert values of 5 and 6, respectively, each lock the gap between 4 and 7 with insert intention locks prior to obtaining the exclusive lock on the inserted row, but do not block each other because the rows are nonconflicting....
$ mysqlshow -u root -p db_learn Activity --count Enter password: Database: db_learn Table: Activity Rows: 99 +---+---+---+---+---+---+---+---+---+ | Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment | +---+---+---+---+---+-...
Learn More » MySQL for OEM/ISV Over 2000 ISVs, OEMs, and VARs rely on MySQL as their products' embedded database to make their applications, hardware and appliances more competitive, bring them to market faster, and lower their cost of goods sold. ...
5)); Query OK, 0 rows affected (0.26 sec) #char存5个字符,而varchar存4个字符 mysql> insert into t1 values('你瞅啥 ','你瞅啥 '); QueryOK, 1 row affected (0.05 sec) mysql> SET sql_mode=''; Query OK, 0 rows affected, 1 warning (0.00 sec) #在检索时char很不要脸地将自己浪费...
For a multiple-row insert, LAST_INSERT_ID() and mysql_insert_id() actually return the AUTO_INCREMENT key from the first of the inserted rows. This enables multiple-row inserts to be reproduced correctly on other servers in a replication setup. ...
(i.e. exposing all of the IDs, whether as a memory table or otherwise) as a replacement for the last_insert_id() function, unless functions will be extended to return multiple rows anytime soon. An ordered set of ALL the IDs of the last insertion is obviously much more generally ...
I'm looking for a way of inserting a range of values into multiple rows. I have two columns that I am inserting into - project (stays the same) and sceneno, which is where the values will increment from x-y. Basically I am trying to convert the very inefficient PHP code below into...