Fujitsu J2X0-1634-01EN Manual Do Utilizador
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Column
A constituent element of a table. A relational database represents data using two-dimensional tables consisting of
rows and columns.
rows and columns.
Column name (item name)
A column name is the name assigned to a column, defined in the schema definition. The column name is used in SQL
statements for data manipulation to specify a column to be processed.
statements for data manipulation to specify a column to be processed.
Commit
Makes the data manipulation of a transaction being processed take effect. The data manipulation in the transaction is
physically reflected in the database. An application program deliberately controls a commit by issuing a COMMIT
statement.
physically reflected in the database. An application program deliberately controls a commit by issuing a COMMIT
statement.
Related term: rollback
Comparison predicate
The comparison predicate is a search condition specified using the comparison operators =, <, <=, >, >=, and <>.
Connection
Connection refers to the relationship that connects a client to a server. A connection is made by specifying a
CONNECT statement in an application program. Conversely, a DISCONNECT statement cuts off the connection.
CONNECT statement in an application program. Conversely, a DISCONNECT statement cuts off the connection.
Correlation name
Correlation names are table names used by SQL statements for data manipulation to manipulate data. A correlation
name is valid only for the SQL statement for which it is specified.
name is valid only for the SQL statement for which it is specified.
Cursor
A cursor is an indicator that indicates a row to be manipulated. A cursor is defined by a cursor declaration statement.
The OPEN and CLOSE statements start and stop cursor operations, respectively. The FETCH statement moves the
cursor.
The OPEN and CLOSE statements start and stop cursor operations, respectively. The FETCH statement moves the
cursor.
Cursor SQL statement
A cursor SQL statement is a data manipulation SQL statement that uses a cursor to specify rows to be manipulated.
Data manipulation SQL
A data manipulation SQL is an SQL statement used to reference, add, delete, or update a data base.
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