Oracle Developer is famous for its rapid data processing and development, and its exception handling mechanism is also relatively complete.
1. Advantages of exceptions
If no exception occursProgramCheck whether each command succeeds or fails,
1. What is an exception a warning or error condition in PL/SQL can be referred to as an exception. Includes compile-time errors (PLS) and run-time errors (ORA). An exception usually contains an error code and error text, indicating the number of
PL/SQL Exception handling method 1: What is exception handling: PL/SQL provides a function to handle exceptions, called exception Handling in PL/SQL blocks, using exception handling we are able to test code and avoid exception exits. PL/SQL
PL/SQL development that little thing----->pl/sql exception handling during developmentA user-written PL/SQL block inevitably has some errors during execution.The errors involved are not caused by the syntax errors of the program, but because the
The original developer at the data abstraction layer of a new PHP Data Object (PDO) briefly introduces this abstraction layer, focusing on running with Oracle.
PHP: 5.0 requiredOther required: Oracle 8 or later client libraryDownload PDO for Oracle (
The standard SQLException provides a standardized information segment (SQLState) and a vendor-specific information segment (ErrorCode). As with most databases and their JDBC driver implementations, Oracle databases and JDBC drivers provide more
"Summary catalogue of common interview questions >>>"
001 Database Paging Query
SELECT * FROM (Select T.*,rownum from table1 t where condition)where Rownum> (pangeNow-1) *pagesize and rownum002 Transaction Concepts
Answer: A transaction is a
1>>>>> exception error Handling1 > Pre-defined exception handling Partial ORACLE exception errors for predefined descriptions The handling of such exceptions is simply to refer to the exception-handling section of the PL/SQL block, directly
Oracle Data Processing and oracle Big Data ProcessingDML Language &: address character; (PrepareStament) Batch Processing: insert -------- insert employees of Department 10 to a new table at a time; Do not write values statements; the Value List in
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.