ExecuteNonQueryExecutes commands such as SQL INSERT, DELETE, UPDATE, and SET statements. ExecuteScalarRetrieves a single value (for example, an aggregate value) from a database as a .NET Framework data type. ExecuteOracleScalarRetrieves a single value (for example, an aggregate value) from a dat...
sql> create table table_name (column datatype,column datatype]...) sql> tablespace tablespace_name [pctfree integer] [pctused integer] sql> [initrans integer] [maxtrans integer]sql> storage(initial 200k next 200k pctincrease 0 maxextents 50) sql> [logging|nologging] [cache|nocache] 2.copy...
more lines of the SQL buffer ("*" indicates the current line). You can omit the space between DEL andnor *, but not between DEL and LAST. Enter DEL with no clauses to delete the current line of the buffer. The buffer has no command history list and does not record SQLcl commands....
Examples The following example creates anOracleCommand, and then executes it by passing a string that is an SQL SELECT statement, and a string to use to connect to the data source. C# publicvoidCreateMyOracleDataReader(stringqueryString,stringconnectionString){using(OracleConnection connection =newOr...
Run SQL commands. For example, the following SQL command shows the current date: SELECTSYSDATEFROMDUAL; Step 4: Delete the EC2 instance and DB instance After you connect to and explore the sample EC2 instance and DB instance that you created, delete them so you're no longer charged for ...
顯示[連線至 SQL Server]、[連線至 SQL Azure]、[重新連線至 SQL Server] 或 [重新連線至 SQL Azure] 對話方塊。 ALT + F + Q 存取最近的專案。 ALT + F + P 結束SSMA 應用程式。 ALT + F + X編輯功能表命令若要存取 [編輯] 功能表,使用的鍵盤快速鍵是 ALT + E。下表描述用來存取 [編輯] 功...
Try our tutorials and labs with Oracle Cloud Free Tier, your own tenancy, or in a free lab environment provided by Oracle. Explore Help Center Learn Oracle Developer Center Access the tools and resources you need for modern cloud development using Java, JavaScript, databases, microservices, ...
「Oracle 發行者」的交易式複寫建立在 Microsoft SQL Server 交易式複寫發行架構之上,但在「發行者」端追蹤變更並將其傳遞到「散發者」的處理與標準交易式複寫完全不同。儘管存在差異,但 Oracle 資料庫中發生的交易還是會在「訂閱者」端套用,以與交易式群組一致。傳遞變更時,其彼此間含有外部索引鍵參考的資料表會維...
Examples of non-atomic execution are collections of DML command executions that are executed one-by-one and multiple DML commands that are part of a PL/SQL stored procedure or function. Example // C# // This example shows how command executions can be cancelled in a // deterministic way eve...
<!--Sample of server connection file commands --> <oracle name=""> <tns-name-mode> <connection-provider value="OracleClient"/> <service-name value="(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = <host-name>)(PORT = 1521)))(CONNECT_DATA =(SERVICE_NAME = <service...