this really is my very first time using SQL whatsoever, which means this might seem fundamental. I am making an apple iphone application that produces and utilizes a sqlite3 database (I am while using libsqlite3.dylib database in addition to posting "sqlite3.h"). I have had the opportunity to properly produced the database along with a table inside it, however I have to know the easiest method to get stuff back from this.
Wouldso would Time passes about locating all the details within the table? It is extremely essential that I have the ability to access each row within the order that it's within the table. What I wish to do (if the helps) is get all of the info in the various fields in one row, invest that into one object, after which keep object in a wide array, after which perform the same for the following row, and subsequently, etc. In the finish, I ought to come with an array with similar quantity of elements when i have rows during my sql table. Thanks.
My SQL is rusty, however i think you should use
SELECT * FROM myTable after which iterate with the results. You may also make use of a
OFFSET(1) structure should you don't want to retrieve all elements at one out of your table (for instance because of memory concerns).
(1) Observe that this could perform suddenly bad, based on your use situation. Look here for more information...
Wouldso would Time passes about locating all the details within the table? It's extremely important which i have the ability to access each row within the order it is incorporated in the table.
That's not how SQL works. Rows aren't stored within the table inside a specific order so far as SQL is worried. An order of rows came back with a query is dependent upon an order BY clause within the query, e.g. ORDER BY DateCreated, or ORDER BY Cost.
But SQLite includes a rowid virtual column you can use for this function. It reflects the succession where the rows were placed. With the exception that it could change having a VACUUM. If one makes it an INTEGER PRIMARY KEY it will stay constant.
order by rowid