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#Sqlitestudio structure how to
#Sqlitestudio structure install
#Sqlitestudio structure download

SELECT employee_id, last_name, first_name, hire_date INSERT INTO employees (employee_id, last_name, first_name, hire_date) ( employee_id INTEGER PRIMARY KEY AUTOINCREMENT,Īnd we wanted to change the datatype of the last_name field to VARCHAR, we could do the following: PRAGMA foreign_keys=off ĪLTER TABLE employees RENAME TO _employees_old

#Sqlitestudio structure how to

Let's look at an example that shows how to modify a column in a SQLite table.įor example, if we had an employees table that had a column called last_name that was defined as a CHAR datatype: CREATE TABLE employees The syntax to MODIFY A COLUMN in a table in SQLite is: PRAGMA foreign_keys=off ĪLTER TABLE table1 RENAME TO _table1_old Instead you will need to rename the table, create a new table, and copy the data into the new table.

Alternatively, you can writeĭROP TABLE xxx (where xxx is the name of the table to beĭeleted) in the SQL editor and push Execute query arrow.You can not use the ALTER TABLE statement to modify a column in SQLite. You can also delete a single table by clicking its name and selecting

You can delete the database by clicking the name of the databaseĭatabase->Remove the database (this does not delete the databaseįile, but it removes the database from SQLiteStudio).

If something goes terribly wrong and your database is a total mess, theĮasiest way to recover may be to delete your database and create it again.

The database you want to use from the drop down combo box.

If you have created the database in SQLiteStudio before, just open.

To a file by using the Save SQL to file icon. Saved to a file using the Load SQL from file icon and save your queries After that, youĬan start writing your own queries.

Either clear the query tab or open the SQL editor again.

Not succeed in loading the sql file, you can just copy and paste its To the situation where only one of the statements is executed.) If you do The lecturer has noticed that in practice not selecting all the statements Necessary to select the statements before pressing the execute button. (According to the SQLiteStudio user manual, it should be not This executes the sql queries in the window.

Select all SQL statements in the upper part of the window with the mouse.

The contents of the file should appear in the upper part of the window.

Press the Load SQL from file icon and open the file.

The database from the drop down combo box up.

Double-click the name of the database on the left and after that choose.The name of the file where your database will be saved, not the name of the Name of the database file in the Name field (you can decide the name yourself,īut it is common to use the suffix. Choose the directory where you want to save your database and write the.When SQLiteStudio has started, choose Add a database from Database Menu.If you use your own computer, start SQLiteStudio. In Aalto IT Linux computers, find SQLiteStudio by clicking the "Activities" link in the upper left corner and writing sqlitestudio.

#Sqlitestudio structure download

Download the file create-exampledatabase.sql (given in A+ Exercise Round 2).

#Sqlitestudio structure install

If you have problems in installing SQLiteStudio, you can also install DB Browser for SQLite instead. These are brief instructions how to use SQLiteStudio in Aalto IT LinuxĬomputers and in your own computer.