What is a SQL state code?

What is a SQL state code?

SQLSTATE is a code which identifies SQL error conditions. It composed by five characters, which can be numbers or uppercase ASCII letters. An SQLSTATE value consists of a class (first two characters) and a subclass (last three characters).

Is state a keyword in SQL?

“State” is a keyword – SQLServerCentral Forums.

What is SQL state in mysql?

An SQLSTATE value can indicate errors, warnings, or “not found.” The first two characters of the value indicate its error class, as discussed in Signal Condition Information Items.

What is SQLCODE in Oracle?

The function SQLCODE returns the number code of the most recent exception. For internal exceptions, SQLCODE returns the number of the associated Oracle error. The number that SQLCODE returns is negative unless the Oracle error is no data found, in which case SQLCODE returns +100 .

What is HY000 error?

MySQL reports with ODBC error numbers which include a SQLSTATE . HY000 is a MySQL ODBC extension for there being no ODBC equivalent error number from the docs on Server Error Codes and Messages. A five-character SQLSTATE value (’42S02′).

Is ambiguous SQLCODE =- 203?

-203 A REFERENCE TO COLUMN column-name IS AMBIGUOUS A reference to a column of the triggering table in a CREATE TRIGGER statement is ambiguous if it does not use the correlation name to indicate if it refers to the old or new transition variable.

What is key in SQL table?

An SQL key is either a single column (or attribute) or a group of columns that can uniquely identify rows (or tuples) in a table. SQL keys ensure that there are no rows with duplicate information. Not only that, but they also help in establishing a relationship between multiple tables in the database.

What are SQL reserved words?

SQL Reserved Words. Reserved words are SQL keywords and other symbols that have special meanings when they are processed by the Relational Engine. Reserved words are not recommended for use as database, table, column, variable or other object names.