Oracle provides the rename table facility to the user, in which we can rename the existing table name as per our requirement. When we rename the table name at that time oracle automatically transfers all rights such as indexes, constraints, and grants on the old table name to the new table...
Q What are the different elements in Functions points? ✍: Guest A The different elements in function points are as follows: Internal Logical Files (ILF) External Interface File (EIF) Record Element Type (RET) DET (Data element types) File Type Reference (FTR) External Input (EI)...
UDAF(User-Defined Aggregation Funcation)聚集函数,多进一出 UDTF(User-Defined Table-Generating Functions)一进多出,如lateral view explore() 3. Hive优化 3.1 慎用api 我们知道大数据场景下不害怕数据量大,害怕的是数据倾斜,怎样避免数据倾斜,找到可能产生数据倾斜的函数尤为关键,数据量较大的情况下,慎用count(di...
classes of the polynomial time hierarchy, there are several reasonable possibilities for oracle access to unambiguous computations. We study guarded access [10] and robustly unambiguous computations =-=[31]-=-. We show that all these unambiguous classes can be characterized by local functions on ...
Nisarg Upadhyay is a SQL Server Database Administrator and Microsoft certified professional who has more than 8 years of experience with SQL Server administration and 2 years with Oracle 10g database administration. He has expertise in database design, performance tuning, backup and recovery...
OracleClient no longer functions in Visual Studio System.Net.Http missing from "Extensions" in the Reference Manager in fresh VS2015.3 install targets '.NETStandard,Version=v1.5'. It cannot be referenced by a project that targets '.NETFramework,Version=v4.0' TCL/TK in Visual Studio TF401444:...
Secondly in these situations, I prefer to leave the annotations to a minimum and handle the logic in the code, I find it makes the things cleaner without having multiple duplicated functions, for example: @GET @PATH("/device/{id}") ...
Oracle" for linked server Cannot grant, deny, or revoke permissions to sa, dbo, entity owner, information_schema, sys, or yourself. Cannot insert duplicate key row in object... Cannot insert the value NULL into column 'ID', table Cannot open backup device 'C:\TEMP\Demo.bak'. Operating ...
User-defined Functions Stored Procedures Autonomous Transaction System Catalogs and System Views Schemas Configuring Running Parameters Appendix FAQs Developer Guide(Centralized) Tool Guide Feature Description Feature Guide API Reference In the example,host:portrepresents a node, wherehostindicates the name or...
I did not suggest putting PHP code in a MySQL Trigger. The suggestion is that a MySQL Trigger is a much simpler and more efficient solution to the problem of propagating product price changes to orders. Read about Triggers. You also need to read about the MySQL PHP functions you are ...