4D v14.3
FLUSH BUFFERS
- 4D Language Reference
-
- 4D Environment
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- Application file
- Application type
- Application versionUpd
- BUILD APPLICATION
- CHECK MEMORY LEAKS
- Compact data file
- COMPONENT LIST
- CREATE DATA FILE
- Data file
- FLUSH BUFFERS
- Get 4D folder
- Get database localization
- Get database parameter
- Get last update log pathNew
- Get memory leaks
- GET MEMORY STATISTICSUpd
- GET SERIAL INFORMATION
- Get table fragmentation
- Is compiled mode
- Is data file locked
- NOTIFY RESOURCES FOLDER MODIFICATION
- OPEN ADMINISTRATION WINDOW
- OPEN DATA FILE
- OPEN SECURITY CENTER
- OPEN SETTINGS WINDOW
- PLUGIN LIST
- QUIT 4D
- RESTART 4DNew
- SET DATABASE LOCALIZATION
- SET DATABASE PARAMETERUpd
- SET UPDATE FOLDERNew
- Structure file
- VERIFY CURRENT DATA FILE
- VERIFY DATA FILE
- Version typeUpd
- ADD DATA SEGMENT
- DATA SEGMENT LIST
FLUSH BUFFERS
| FLUSH BUFFERS | ||||||||
| Does not require any parameters | ||||||||
The FLUSH BUFFERS command immediately saves the data buffers to disk. All changes that have been made to the database are stored on disk.
You usually do not need to call this command, as 4D saves data modification on a regular basis. The Flush Data Buffers every X Minutes option (Data Management page of the Preferences), which specifies how often to save, is typically used to control buffer flushing.
Note: 4D integrates a built-in data cache scheme for accelerating I/O operations. The fact that data modifications are, for some time, present in the data cache and not on the disk is transparent to your coding. For example, if you issue a QUERY call, the 4D database engine integrates the data cache in the query operation.
Product: 4D
Theme: 4D Environment
Number:
297
Created: < 4D v6
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4D Language Reference ( 4D v14 R3)
4D Language Reference ( 4D v12.4)
4D Language Reference ( 4D v13.5)
4D Language Reference ( 4D v14.3)
4D Language Reference ( 4D v14 R4)
