What is resource in DB2?

DB2 resources are objects, system privileges, and utilities that must be controlled. DB2 resources include: acf2db213. DB2 resources are objects, system privileges, and utilities that must be controlled.

What Sqlcode 904?

-904 UNSUCCESSFUL EXECUTION CAUSED BY AN UNAVAILABLE RESOURCE. REASON reason-code , TYPE OF RESOURCE resource-type , AND RESOURCE NAME resource-name.

When the resource is unavailable the SQL code that we get is?

A SQLCODE -904 means that some kind of DB2 resource is unavailable.

How do I fix SQL error code?

Fix: Qualify the ambiguous column name with a correct table name. If the SQL statement try to use INSERT , UPDATE or SELECT a column name which is not part of the table, then this DB2 SQL Error code is generated. ORDER BY clause in wrong because the column name is not a part of the result table .

What is deadlock in Db2?

A deadlock occurs when two or more application processes each hold locks on resources that the others need and without which they cannot proceed. After a preset time interval, Db2 can roll back the current unit of work for one of the processes or request a process to terminate.

What is SQL error in DB2?

SQL Error Code is used on a day to day basis for the diagnosis of programming failures as a result of SQL calls by DB2 computer programs. An important feature of DB2 programs is the error processing. The error diagnostic containing the SQL Error Code are held in the field SQLCODE within the DB2 SQLCA block.

How do I fix error code DB2?

What is null indicator in DB2?

The null indicator is used by DB2 to track whether its associated column is null or not. A positive value or a value of 0 means the column is not null and any actual value stored in the column is valid.

What are the isolation levels in DB2?

The database manager supports four isolation levels.

  • Repeatable read (RR)
  • Read stability (RS)
  • Cursor stability (CS)
  • Uncommitted read (UR)

What are isolation levels in Db2?

In Db2 you can specify the following four isolation levels:

  • cursor stability (CS),
  • repeatable read (RR),
  • read stability (RS), and.
  • uncommitted read (UR).