dbms_sql.parse(l_thecursor, p_query, dbms_sql.native); dbms_sql.describe_columns (l_thecursor, l_colcnt, l_desctbl); FOR i IN 1 .. l_colcnt LOOP dbms_sql.define_column (l_thecursor, i, l_columnvalue, 4000); END LOOP; l_status := dbms_sql.EXECUTE(l_thecursor); WHILE ( ...
2. Describe Function to Describe a Procedure In this example, we are going to use the Oracle database to check how the DESCRIBE function describes a stored procedure. For that, we will create a procedure with two arguments, and then we will use the describe function to describe the procedur...
使用一个简单的 AWS CLI 命令,我能够密切关注迁移状态: aws dms describe-replication-tasks --filters Name=replication-task-id,Values=task1 我们从本地迁移到AWS,但如果您要迁移到Google Cloud,那么您可以使用Google Cloud Database Migration Service(DMS),该服务提供类似的功能,并且已经与Ora2Pg集成。 优点: ...
存储过程(stored procedure)从根本上讲就是命名PL/SQL程序块,它可以被赋予参数、存储在数据库中,然后由另一个应用或者PL/SQL例程激活(或者调用)。建立最简单的存储过程: SQL>createproceduremy_procas2begin3null;4endmy_proc;5/过程已创建。 注意: 可以注意到,当建立存储过程的时候,用户需要在过程的最后一行放入...
A useful way to describe the READ COMMITTED and SERIALIZABLE isolation levels in Oracle is to consider:A collection of database tables (or any set of data) A sequence of reads of rows in those tables The set of transactions committed at any momentAn operation (a query or a transaction) ...
job status An Oracle Manufacturing function that lets you describe various stages in the life cycle of a discrete job and control activities that you can perform on the job.just in time delivery (JIT) To have only the required inventory delivered exactly when needed. ...
PL/SQL procedure successfully completed. SQL> desc db_test; ERROR: ORA-04043: object db_test does not exist dblink的限制 You cannot perform the following operations using database links: Grant privileges on remote objects Execute DESCRIBE operations on some remote objects. The following remote obje...
The followingsections describe new features in this release that provide improvements in thearea of backup and recovery. (1) AutomaticBlock Repair Automatic blockrepair allows corrupt blocks on the primary database or physical standbydatabase to be automatically repaired, as soon as they are detected...
[command] Describe one or all commands Debug current process Set OS pid of process to debug Set Oracle pid of process to debug Set Oracle process name to debug Get abridged OS stack--查找系统内存堆栈 Get current SQL Invoke named dump Dump fixed SGA Print a list of available dumps Set ...
B、DESCRIBEemployees; C、ROLLBACKTOSAVEPOINTC; D、GRANTSELECTONemployeesTOSCOTT; E、ALTERTABLEemployees??SETUNUSEDCOLUMNsal; F、SelectMAX(sal)??FROMemployees??WHEREdepartment_id=20; 18.A?table?was?just?created?on?your?Oracle?database?with?six?extents?allocated?to?it.?Which?of?the?following?fac...