Overview Of Functions - HEIDENHAIN TNC 620 User Manual

Programming Q parameters | Accessing tables with SQL statements

Overview of functions

Overview of soft keys
The control offers the following ways of working with SQL
commands:
Soft key Function
SQL BIND creates or disconnects a
binding between table columns and Q
or QS parameters
SQL EXECUTE opens a transaction
for selected table columns and table
rows or enables the use of other
SQL instructions (miscellaneous
functions).
SQL FETCH transfers the values to the
bound Q parameters
SQL ROLLBACK discards all changes
and concludes the transaction
SQL COMMIT saves all changes and
concludes the transaction
SQL UPDATE expands the transaction
to include the change of an existing
row
SQL INSERT creates a new table row
SQL SELECT reads out a single value
from a table and does not open any
transaction
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
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