On many platforms, Atomic operations can often be used to synchronize the actions of multiple threads more efficiently than Pthreads. Each operation to acquire or release a lock can be done in fewer CPU instructions, wasting less time when threads contend for access to shared data structures. Th...
cmd = new MySqlCommand("INSERT INTO ?table VALUES(?prekesID, ?pavadin, ?gamint, ?kain, ?import)", conn); try { cmd.Parameters.Add("?table", table); cmd.Parameters.Add("?prekesID", Convert.ToInt32(prekesID)); cmd.Parameters.Add("?pavadin", pavadin); ...
Insert, update, and delete data Return a single value Command-based database operations can run within a transaction, if needed. For a short tutorial demonstrating how and when to use theExecuteReader,ExecuteNonQuery, andExecuteScalarmethods, seeSection 6.1.2, “The MySqlCommand Object”. ...
The thread is retrieving information for table columns. Init DB The thread is selecting a default database. Kill The thread is killing another thread. Long Data The thread is retrieving long data in the result of executing a prepared statement. ...
mysql 多行子查询转一行 sql查询多行变一行 SQL查询案例:多行转换为一行 使用通常的方式测试表与测试数据 CREATE TABLE TestTitle ( name VARCHAR(10), titleVARCHAR(10) ); INSERT INTO TestTitle VALUES ('张三', '程序员'); INSERT INTO TestTitle VALUES ('张三', '系统管理员');...
Now you have to fill it starting with value 7499. Repeat steps 3-7 to insert all required rows into the table. ConclusionThis tutorial describes how you can use MySqlCommand component to insert data into tables. Actually there are lots of ways to insert data into tables. Any tool or ...
When executing multiple Insert statements in one MySQLCommand call, the LastInsertedId property was set to zero because the connector read an extra OK packet from the server that omitted LastInsertedId. Now, Connector/NET avoids overriding the value if it is set Thank you for the bug report....
Bug #3771 wrong returned number of affected rows INSERT command in embedded server Submitted: 15 May 2004 13:05Modified: 21 May 2004 12:59 Reporter: Alexey Botchkov Email Updates: Status: Closed Impact on me: None Category: MySQL Server: Embedded Library ( libmysqld )Severity: S2 (...
any equivalent in c# for bytearray outputstream/inputstream and data outputstream/inputstream? App Config and escape sequences App Config key not working App setting inacessible due to protection level App.config for multiple groups of same key/value pairs App.config for release and another for ...
INSERT MyLinkedServerDB...TestTable(id, value) VALUES (1, 'test'); ... SQL Server Management Studio still reports the following: OLE DB provider "MSDASQL" for linked server "MyLinkedServerDB" returned message "[MySQL][ODBC 5.1 Driver][mysqld-5.0.45]Commands out of sync; you can'...