invalid cursor state

The concept of cursors: A cursor is a memory workspace of SQL that is defined by the system or user as a variable. The role of a cursor is to temporarily store blocks of data that are extracted from the database. In some cases, the data needs to be

The One   concept cursor is a memory workspace for SQL, defined by the system or user as a variable. The role of a cursor is to temporarily store blocks of data that are extracted from the database. In some cases, the data needs to be transferred

DisplayThe cursor is a select clause clearly defined in the Declaration unit, and a name is specified at the same time. Use this name to reference the cursor attribute canonicalizedly, and use the name to reference and display the cursor in the open,

The Oracle display cursor is a SELECT clause clearly defined in the Declaration unit, and a name is specified to reference the cursor attribute using this name. The Oracle display cursor is a SELECT clause clearly defined in the Declaration unit,

The concept of cursors: A cursor is a memory workspace of SQL that is defined by the system or user as a variable. The role of a cursor is to temporarily store blocks of data that are extracted from the database. In some cases, the data needs to be

ORA-00001: violation of unique constraints (.) ORA-00017: Request session to set trace event ORA-00018: exceeds Max sessions ORA-00019: exceeds Max session licenses ORA-00020: exceeds Max processes () ORA-00021: Session is attached to some other

All messages sent by the PostgreSQL server are given a five-character error code that follows the custom of the SQL "SQLSTATE" code. Apps that need to know what error conditions are occurring should usually test the error code instead of the text

1-3 1794 redirection Program In use, unable to uninstall.1795 the specified printer driver has been installed.The port specified by 1796 is unknown.1797 the printer driver is unknown.1798 the print handler is unknown.1799 the specified delimiter

The shortcut key of VS2015/Visual Studio is invalid.0 solution to invalid VS2015 shortcut keys The use of shortcut keys can greatly improve the encoding efficiency. VS has a lot of built-in combinations of common shortcut keys. In actual use, the

1001-recursion is too deep; stack overflow. 1002-the window cannot operate on sent messages. 1003-unable to complete this function. 1004-invalid flag. 1005-this volume does not contain identifiable file systems. Make sure all requested file system