This SQL query performs a left outer join between the emp_mast (employee master) table and the dep_mast (department master) table using the old Oracle syntax for outer joins. The query selects the employee number, employee name, job name, department name, and location. It retrieves all ro...
(一)环境介绍 esxi6.0 ,VMware vSphere Client6.0,linux 版本Centos7.6(最小化安装)Oracle 版本 oracle 11g 11.2.0.4,下载链接在博客尾页。 (二)虚拟化环境搭建 资源下载: 链接:https://pan.baidu.com/s/1lk_27WD5d-hgh26Yjf6Xcw 提取码:1111 个别机型去要第三方驱动,而在官方又找不到时候,可以选择ESXi-C...
The Oracle Internet Directory Configuration Assistant (OIDCA) enables you to create, upgrade, and delete an Oracle Context, configure the fileldap.ora, and convert an Oracle Context to an Identity Management Realm. The OIDCA syntax is: oidca oidhost=hostnonsslport=port| sslport=SSL Portdn=bi...
PG_SUPPORTS_MVIEW Since PostgreSQL 9.3, materialized view are supported with the SQL syntax 'CREATE MATERIALIZED VIEW'. To force Ora2Pg to use the native PostgreSQL support you must enable this configuration - enable by default. If you want to use the old style with table and a set of fun...
In addition to SQL, Duality Views can be defined using a simple and intuitive GraphQL-based syntax. Automatic code generation Duality Views can be described using standard JSON schema that enables automatic generation of REST endpoints, access templates, and application blueprints. ...
The syntax for changing the interfaces on Windows/RAC clusters is the same as on Unix/Linux, but the interface names will be slightly different. On Windows systems, the default names assigned to the interfaces are generally named such as: ...
old 1: select '&&view_loc' view_loc_def from dual new 1: select 'AWR_PDB' view_loc_def from dual Current Instance ~~~ DB Id DB Name Inst Num Instance Container Name --- --- --- --- --- 1532278336 ORCL 1 orcl CDB$ROOT Instances in this Workload Repository schema ~~~ DB Id...
PostgreSQL 11支持分区表的智能JOIN。 《PostgreSQL 11 preview - 分区表智能并行JOIN (已类似MPP架构,性能暴增)》 在PostgreSQL 11前,通过dblink异步调用,可以实现同样功能,不过需要用户自己关注分区定义是否一致。 《PostgreSQL dblink异步调用实现 并行hash分片JOIN - 含数据交、并、差 提速案例 - 含dblink VS pg ...
When FIPS flagging is active, your SQL statements are checked to see whether they include extensions that go beyond the ANSI/ISO SQL92 standard. If any non-standard constructs are found, then Oracle Database flags them as errors and displays the violating syntax. ...
PCTVERSION can prevent OLD pages being used and force the segment to extend instead. Do not expect PCTVERSION to be an exact percentage of space as there is an internal fudge factor applied. -> LOB space not getting released after Delete from TABLE commands when using Securefile / Basic Fil...