SELECT * FROM products WHERE id='-1' FOR UPDATE; 例2: (无主键,table lock) SELECT * FROM products WHERE name='Mouse' FOR UPDATE; 例3: (主键不明确,table lock) SELECT * FROM products WHERE id<>'3' FOR UPDATE; 例4: (主键不明确,table lock) SELECT * FROM products WHERE id LIKE '3...
1、drop table tb drop将表格直接删除,没有办法找回 2、truncate (table) tb 删除表中的所有数据...,不能与where一起使用 3、delete from tb (where) 删除表中的数据(可制定某一行) --- 区别:truncate...和delete的区别1、事务:truncate是不可以rollback的,但是delete是可以rollback的; 原因...:truncate...
ActionOnExistingTargetTable 活動 ActivityDependency ActivityOnInactiveMarkAs ActivityPolicy ActivityRun ActivityRunsQueryResponse ActivityState ActivityUnion AddDataFlowToDebugSessionResponse AdditionalColumns AmazonMWSLinkedService AmazonMWSObjectDataset AmazonMWSSource AmazonRdsForOracleLinkedService AmazonRdsForOracle...
{tableName}] PRIMARY KEY ([{primaryKeyColumnName}])"); Create.Index($"[IDX_{tableName}_AccountId]").OnTable(tableName).InSchema(TdmSchema).OnColumn(AccountId).Ascending(); } private void CreatePrimaryKeysClusteredAndAccountIndex(string tableName, List<string> primaryKeyColumns) { string ...
RelationalTable RenameColumnOperation ResourcePermission RowInfo RowLevelPermissionDataSet RowLevelPermissionTagConfiguration RowLevelPermissionTagRule S3Parameters S3Source ServiceNowParameters SessionTag Sheet SheetControlsOption SheetStyle SignupResponse SnowflakeParameters SparkParameters SqlServerParameters SslProperties...
Amazon Athena Leitfaden Verwenden Sie die folgende Syntax, um die Zeilen in einer Iceberg-Tabelle zu löschen. DELETEFROM[db_name.]table_name[WHEREpredicate] Weitere Informationen und Beispiele finden Sie imDELETE-Abschnitt vonIceberg-Tabellendaten aktualisieren....
Reference information for the delete changetype. The delete changetype deletes data from an existing table.
Therefore, the values in the columns to be deleted must have a signed referenceKey (the primary attribute label). During the deleting phase, data is deleted only from the center of a dataset (the central table in a star...
updateIntervalInMs Delay to wait until next poll, in milliseconds. Inherited Properties Expand table abortSignal The signal which can be used to abort requests. onResponse A function to be called each time a response is received from the server while performing the requested operation. May be ...
AzureSqlDWTableDataset AzureSqlMILinkedService AzureSqlMITableDataset AzureSqlSink AzureSqlSource AzureSqlTableDataset AzureStorageAuthenticationType AzureStorageLinkedService AzureSynapseArtifactsLinkedService AzureTableDataset AzureTableSink AzureTableSource AzureTableStorageLinkedService BigDataPoolPara...