functional overview
Retrieves values from the database.
Details of Functions
tablelocated infieldvalue.
If search criteria are added, the target records are narrowed down according to the specified criteria.
Multiplefield at the same time. Database/Acquisition 2 for the use of the product.
- note
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Fruit and Vegetable Table
ID Name category 1 apple (fruit) fruit 2 green bell pepper vegetable 3 onion (edible plant, Allium cepa) vegetable 4 grape fruit 5 potato (Solanum tuberosum) vegetable
If the following argument is specified, the "data to be retrieved" will be the result.
argument (e.g. function, program, programme)table field Fruit and Vegetable Table Name Search field terms Comparison value ID = 2 Name green bell pepper
parameter
- argument (e.g. function, program, programme)
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table Specify the target table. field Specify the target field. Search field Specify fields to search. (additional argument) terms Specify conditions. (additional argument)
- >=
- <=
- >
- <
- ! = !
- =
Comparison value numeric data character string data Date & Time Data
Search fieldand the value to be compared. (additional argument)
- return value
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numeric data character string data Date & Time Data video data binary data
Returns a value retrieved from the database.