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de:dbopen [2016/01/01 22:37] (current)
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 +===== DBOpen =====
  
 +==== Format ====
 +**dbopen** //​SQLiteFile//​\\
 +**dbopen** ( //​SQLiteFile//​ )
 +
 +==== Description ====
 +Open an SQLite database file.  If the file does not exist then create it.
 +
 +==== Example ====
 +<​code>​
 +#database foo - create a database, populate a table, open a recordset and read data from table.
 +
 +# create a new database file or open it
 +dbopen "​dbtest.sqlite3"​
 +
 +# delete old foo table - trap error if new database
 +onerror errortrap
 +dbexecute "drop table foo;"
 +offerror
 +# create and populate
 +dbexecute "​create table foo (id integer, words text, value decimal);"​
 +dbexecute "​insert into foo values (1,'​one',​3.14);"​
 +dbexecute "​insert into foo values (2,'​two',​6.28);"​
 +dbexecute "​insert into foo values (3,'​three',​9.43);"​
 +
 +# open a recordset and loop through the rows of data
 +dbopenset "​select * from foo order by words;"​
 +while dbrow()
 + print dbint(0) + dbstring(1) + dbfloat(2)
 +end while
 +dbcloseset
 +
 +# wrap everything up
 +dbclose
 +end
 +
 +errortrap:
 +# accept error - display nothing - return to next statement
 +return
 +</​code>​
 +will display
 +<​code>​
 +1one3.14
 +3three9.43
 +2two6.28
 +</​code>​
 +
 +==== See Also ====
 +[[DBClose|DBClose]],​ [[DBCloseSet|DBCloseSet]],​ [[DBExecute|DBExecute]],​ [[DBFloat|DBFloat]],​ [[DBInt|DBInt]],​ [[DBOpenSet|DBOpenSet]],​ [[DBRow|DBRow]],​ [[DBString|DBString]]
 +
 +==== External Links ====
 +More information about databases in general and SQLite specifically can be found at [[http://​sqlite.org|SQLite Home Page]] and [[http://​en.wikipedia.org/​wiki/​SQL|SQL at Wikipedia]].
 +
 +==== New To Version ==== 
 +0.9.6y
de/dbopen.txt ยท Last modified: 2016/01/01 22:37 (external edit)