Method for accessing database table columns

• US 7,149,745 B2
• Filed: 04/29/2002
• Issued: 12/12/2006
• Est. Priority Date: 04/30/2001
• Status: Active Grant

• Current Assignee: Oracle America, Inc. (Oracle Corporation)
• Original Assignee: Sun Microsystems Incorporated (Oracle Corporation)
• Inventors: Janssen, Ocke
• Primary Examiner(s): Corrielus, Jean M.
• Assistant Examiner(s): Ly, Anh
• Application Number:
  US10/135,231
• Publication Number:
  US 20020161754A1
• Time in Patent Office: 1,688 Days
• Field of Search: 707 2-202, 707/1
• US Class Current: 707/781
• CPC Class Codes: G06F 16/258 Data format conversion from or to a database
• CPC Class Codes: Y10S 707/99934 Query formulation, input preparation, or translation
• CPC Class Codes: Y10S 707/99935 Query augmenting and refining, e.g. inexact access
• CPC Class Codes: Y10S 707/99943 Generating database or data structure, e.g. via user interface

Abstract

The data type of requested data stored in a column of a database table is determined and the data accessed in the data type in which the data is stored. The data type can then be converted to a second data type before outputting the data.

Claims

1. A computer-based method for accessing data in a column of a database table, the method comprising:

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

converting the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to a second data type; and

outputting the requested data.

2. The method of claim 1, further comprising:

displaying the first data type.

3. The method of claim 1, wherein the option is provided in a context menu.

4. The method of claim 1, further comprising:

displaying a graphical user interface to a user, the graphical user interface including an option to request display of the first data type;

selecting the option to request display of the first data type, the selection inputting a request to display the first data type; and

displaying the first data type.

5. The method of claim 1, further comprising:

determining whether to display the first data type; and

upon a determination to display the first data type, displaying the first data type.

6. The method of claim 1, wherein the request for data is input from at least one of a user, a program application, and a component of a program application.

7. A computer-based method for accessing data in a column of a database table, the method comprising:

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining whether to convert the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to the second data type;

upon a determination to convert the requested data from the first data type to the second data type, converting the requested data from the first data type to the second data type; and

outputting the requested data.

8. A computer-based method for accessing data in a column of a database table, the method comprising:

receiving a request for data in a requested data type, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a column data type;

accessing the requested data in the column data type,

wherein accessing the requested data in the column data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining if the column data type is the same as the requested data type;

upon a determination that the column type is the same as the requested data type, outputting the requested data; and

upon a determination that the column data type is not the same as the requested data type, converting the requested data from the column data type to the requested data type, and outputting the requested data.

9. The method of claim 8 wherein the request for data is input from at least one of a user, a program application, and a component of a program application.

10. A computer-based method for accessing data in a column of a database table, the method comprising:

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

determining whether to display the first data type;

upon a determination to display the first data type, displaying the first data type;

upon a determination not to display the first data type, not displaying the first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining whether to convert the requested data from the first data type to a second data type based upon a single user input selection of an option to convert the requested data from the first data type to the second data type;

upon a determination to convert the requested data from the first data type to the second data type, converting the requested data from the first data type to the second data type;

upon a determination not to convert the requested data from the first data type to the second data type, not converting the requested data; and

outputting the requested data.

11. The method of claim 10, wherein converting the requested data from the first data type to the second data type further comprises:

determining at least one second data type conversion option, the at least one second data type conversion option indicating a second data type into which the requested data of the first data type can be converted;

displaying the at least one second data type conversion option;

selecting a second data type conversion option, the selection of the second data type conversion option indicating selection of a second data type; and

converting the requested data from the first data type to the selected second data type.

12. The method of claim 10, wherein determining whether to display the first data type further comprises:

displaying a graphical user interface to a user, the graphical user interface including an option to request display of the first data type,

whereupon selecting the option to request display of the first data type is a determination to display the first data type,

and further whereupon, not selecting the option to request display of the first data type is determination not to display the first data type.

13. The method of claim 10, wherein determining whether to convert the requested data from a first data type to a second data type further comprises:

displaying a graphical user interface to a user, the graphical user interface including the option to convert the requested data from the first data type to a second data type,

whereupon selecting the option to convert the requested data from the first data type to the second data type is a determination to convert the requested data from the first data type to the second data type,

and further whereupon, not selecting the option to convert the requested data from the first data type to the second data type is a determination not to convert the requested data from the first data type to the second data type.

14. The method of claim 13, wherein the graphical user interface further comprises:

a context menu.

15. A computer program product for accessing data in a column of a database table, the computer program product comprising computer-readable instructions for a method comprising:

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access methods to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

converting the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to the second data type; and

outputting the requested data.

16. The computer program product of claim 15, further comprising:

displaying the first data type.

17. The computer program product of claim 15, wherein the option is provided in a context menu.

18. The computer program product of claim 15, further comprising:

displaying a graphical user interface to a user, the graphical user interface including an option to request display of the first data type;

selecting the option to request display of the first data type, the selection inputting a request to display the first data type; and

displaying the first data type.

19. The computer program product of claim 15, further comprising:

determining whether to display the first data type; and

upon a determination to display the first data type, displaying the first data type.

20. The computer program product of claim 15, wherein the request for data is input from at least one of a user, a program application, and a component of a program application.

21. A computer program product for accessing data in a column of a database table the computer program product comprising computer-readable instructions for a method comprising:

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining whether to convert the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to a second data type;

upon a determination to convert the requested data from the first data type to the second data type, converting the requested data from the first data type to the second data type; and

outputting the requested data.

22. A computer program product for accessing data in a column of a database table, the computer program product comprising computer-readable instructions for a method comprising:

receiving a request for data in a requested data type, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a column data type;

accessing the requested data in the column data type,

wherein accessing the requested data in the column data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e)upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining if the column data type is the same as the requested data type;

upon a determination that the column data type is the same as the requested data type, outputting the requested data; and

upon a determination that the column data type is not the same as the requested data type, converting the requested data from the column data type to the requested data type, and outputting the requested data.

23. The computer program product of claim 22, wherein the request for data is input from at least one of a user, a program application, and a component of a program application.

24. A computer program product for accessing data in a column of a database table, the computer program product comprising computer-readable instructions for a method comprising:

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

determining whether to display the first data type;

upon a determination to display the first data type, displaying the first data type;

upon a determination not to display the first data type, not displaying the first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining whether to convert the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to a second data type;

upon a determination to convert the requested data from the first data type to the second data type, converting the requested data from the first data type to the second data type;

upon a determination not to convert the requested data from the first data type to the second data type, not converting the requested data; and

outputting the requested data.

25. The computer program product of claim 24, wherein converting the requested data from the first data type to the second data type further comprises:

determining at least one second data type conversion option, the at least one second data type conversion option indicating a second data type into which the requested data of the first data type can be converted;

displaying the at least one second data type conversion option;

selecting a second data type conversion option, the selection of the second data type conversion option indicating selection of a second data type; and

converting the requested data from the first data type to the selected second data type.

26. The computer program product of claim 24, wherein determining whether to display the first data type further comprises:

displaying a graphical user interface to a user, the graphical user interface including an option to request display of the first data type,

whereupon selecting the option to request display of the first data type is a determination to display the first data type, and

further whereupon;

not selecting the option to request display of the first data type is a determination not to display the first data type.

27. The computer program product of claim 24, wherein determining whether to convert the requested data from a first data type to a second data type further comprises:

displaying a graphical user interface to a user, the graphical user interface including the option to convert the requested data from the first data type to a second data type, whereupon selecting the option to convert the requested data from the first data type to the second data type is a determination to convert the requested data from the first data type to the second data type, and

further whereupon, not selecting the option to convert the requested data from the first data type to the second data type is a determination not to convert the requested data from the first data type to the second data type.

28. The computer program product of claim 27, wherein the graphical user interface further comprises:

a context menu.

29. A computer system comprising:

a processor; and

a memory coupled to the processor, and having stored therein computer code for a method for accessing data in a column of a database table, wherein upon execution of the computer code on the processor, the method comprises;

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

converting the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to the second data type; and

outputting the requested data.

30. The computer system of claim 29, the method further comprising:

displaying that first data type.

31. A computer system comprising:

a processor; and

a memory coupled to the processor, and having stored therein computer code for a method for accessing data in a column of a database table, wherein upon execution of the computer code on the processor, the method comprises;

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining it the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining whether to convert the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to a second data type;

upon a determination to convert the requested data from the first data type to the second data type,

converting the requested data from the first data type to the second data type; and

outputting the requested data.

32. A computer system comprising:

a processor; and

a memory coupled to the processor, and having stored therein computer code for a method for accessing data in a column of a database table, wherein upon execution of the computer code on the processor, the method comprises;

receiving a request for data in a requested data type, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a column data type;

accessing the requested data in the column data type,

wherein accessing the requested data in the column data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining it the column data type is the same as the requested data type;

upon a determination that the column data type is the same as the requested data type, outputting the requested data; and

upon a determination that the column data type is not the same as the requested data type, converting the requested data from the column data type to the requested data type, and outputting the requested data.

33. The computer system of claim 32, wherein in the method, the request for data is input from at least one of a user, a program application, and a component of a program application.

34. A computer system comprising:

a processor; and

a memory coupled to the processor, and having stored therein computer code for a method for accessing data in a column of a database table, wherein upon execution of the computer code on the processor, the method comprises;

receiving a request for data, the requested data being stored in the column of the database table;

determining a data type of the requested data stored in the column, the data type being of a first data type;

determining whether to display the first data type;

upon a determination to display the first data type, displaying the first data type;

upon a determination not to display the first data type, not displaying the first data type;

accessing the requested data in the first data type,

wherein accessing the requested data in the first data type further comprises;

a) selecting an access method to access the requested data, the access method being able to access data of a particular data type, the access method being at least one of a plurality of access methods able to access data of a particular data type, and the access method being implemented in a data base driver,

b) executing the access method to attempt access of the requested data,

c) determining if the requested data is successfully accessed by the access method,

d) upon a determination that the requested data is not successfully accessed by the access method, incrementing to a next access method in said plurality of access methods so that a different access method is selected, and

repeating operations a, b, and c; and

e) upon a determination that the requested data is successfully accessed by the access method, accessing the requested data;

determining whether to convert the requested data from the first data type to a second data type based upon a single user input of a selection of an option to convert the requested data from the first data type to a second data type;

upon a determination to convert the requested data from the first data type to the second data type, converting the requested data from the first data type to the second data type;

upon a determination not to convert the requested data from the first data type to the second data type, not converting the requested data; and

outputting the requested data.

35. The computer system of claim 34, wherein in the method, converting the requested data from the first data type to the second data type further comprises:

determining at least one second data type conversion option, the at least one second data type conversion option indicating a second data type into which the requested data of the first data type can be converted;

displaying the at least one second data type conversion option;

selecting a second data type conversion option, the selection of the second data type conversion option indicating selection of a second data type; and

converting the requested data from the first data type to the selected second data type.