new System.Data.SqlClient.SqlParameter("@he", System.Data.SqlDbType.Int) }; parameters2[2].Direction = System.Data.ParameterDirection.Output; System.Data.Common.DbCommand cmd = DbContext.Database.Connection.CreateCommand(); cmd.CommandText = "pro_Add"; cmd.CommandType = System.Data.CommandType....
If I use the whole restore command in single line it works fine like below: sqlcmd -E -S servername -d master -Q "restore database bestst_test from disk='E:\Backup\test\bestst\bestst_20101222.bak' with move 'BESMgmt415_data' to 'E:\Program Files\Microsoft SQL Server\MSSQL.1\...
DbCommand cmd=conn.CreateCommand();if(facade.IsSqlServer()) { cmd.CommandText=sql; CombineParams(refcmd, parameters); }returncmd; }publicstaticDataTable SqlQuery(thisDatabaseFacade facade,stringsql,paramsobject[] parameters) { DbCommand cmd= CreateCommand(facade, sql,outDbConnection conn, parameters...
Hologres兼容PostgreSQL,可以通过查询hg_stat_activity(pg_stat_activity)视图信息来查看实例Query的运行信息,以达到分析和诊断运行SQL的目的。具体涉及的操作内容如下所示: 使用SQL查看活跃Query:查看SQL运行信息,更好的管理SQL语句。 HoloWeb可视化活跃Query管理:通过HoloWeb可视化查看和管理活跃Query。 排查锁:通过活跃Query...
The Microsoft Transact-SQL language and the Oracle SQL language have some variation in syntax for a query command. By support for the schema part of a database object name. When a data source uses schemas as part of the database object identifier, the schema name must be supplied as part...
You use SQLCMD scripts when you have to process Windows System commands and Transact-SQL statements in the same script. Learn how to write and edit SQLCMD scripts using the Database Engine Query Editor.
Execute the EXPLAIN command on the statement under the keyboard cursor: Uses the position the keyboard cursor to identify the query and then executesEXPLAIN. A result grid tab is also displayed when executing anEXPLAINstatement. Alternatively, the Visual Explain plan is already available for all exe...
therefore candidates for optimization. However, examining a long slow query log can be a time-consuming task. To make this easier, you can use themysqldumpslowcommand to process a slow query log file and summarize its contents. SeeSection 4.6.8, “mysqldumpslow — Summarize Slow Query Log ...
Create a new query called Query3 with no data source initially and then click theUnioncommand on theDesigntab to make this query into a Union query. Copy and paste the SQL statements from Query1 and Query2 into Query3. Be sure to remove the extra semi...
In theEdit Custom SQL Commandsdialog box, for each tab that displays an SQL statement, clickEdit Command, and then delete the SQL statement. For more information on modifying the custom query, see topicAdd a database as a data source. ...