1.What is SQL?Where SQL is used? Answer: SQL is Structured Query Language, which is a computer language for storing, manipulating and retrieving data stored in relational database.SQL can be used in different languages or database management systems like Oracle,SQL Server,Postgresql. Click Here...
There are no virtual columns, such as rowid, that you can access "easily". The row is located via a file:page:slot combo, all of which is not quickly accessible in a nice/neat query as in oracle. Cheers Ck Chris Kempster http://www.chriskempster.com ...
DBMS_ROWID DBMS_SQL DBMS_UTILITY UTL_HTTP Oracle8iRelease 1 (8.1.5) New Features in Supplied PL/SQL Packages
RBO as a functionality is no longer supported. RBO still exists in Oracle 10gRelease 1, but is an unsupported feature. No code changes have been made to RBO and no bug fixes are provided. Oracle supports only the query optimizer, and all applications running on Oracle Database 10gRelease 1...
code-snippet-of-the-day/PL/SQL/what-not-to-do “BULK COLLECT and FORALL are faster than cursor processing” Seen in the wild: SELECT ROWID BULK COLLECT INTO t_rowids FROM my_table WHERE ... FOR UPDATE NOWAIT; IF t_rowids.COUNT > 0 THEN ...
This article lists SQL Server Migration Assistant (SSMA) for Oracle changes in each release. Note While Microsoft Entra ID is thenew name for Azure Active Directory (Azure AD), to prevent disrupting existing environments, Azure AD still remains in some hardcoded elements such as UI fields, conne...
A ROWID is created by Oracle for each new row in every table, it is a pseudo column that has a value for every row in a table. The ROWID gives us the physical address of a row and is the fastest way to access any row. The ROWID contains 3 bits of information, they are :- The...
Name: oracle/sql/converter/ Sealed: false Name: oracle/sql/ Sealed: false Name: oracle/sql/converter_xcharset/ Sealed: false List of Classes in the JAR: oracle/net/ano/Ano oracle/net/ano/AnoComm oracle/net/ano/AnoNetInputStream oracle/net/ano/AnoNetOutputStream ...
When you create a non-clustered index, the data in the table is stored in an unordered structure. You do not need to explicitly specify the key value of the non-clustered index, because TiDB automatically assigns a unique ROWID to each row of data. During a query, the ROWID is used to...
Number of Oracle database in our estate is a high number and they are on shared storage arrays which means if one of them is naughty on I/O it has a potential impact on others. To be proactive, from Time to time I run bunch of queries on all of the databases in a loop to check...