Sqlite3 update syntax

Each assignment specifies a column-name to the left of the equals sign and a scalar expression to the right. For each affected row, the named columns are set to the values found by evaluating the corresponding scalar expressions.

If a single column-name appears more than once in the list of assignment expressions, all but the rightmost occurrence is ignored. Columns that do not appear in the list of assignments are left unmodified. The scalar expressions may refer to columns of the row being updated. In this case all scalar expressions are evaluated before any assignments are made.

Beginning in SQLite version 3. In other words, the schema-name. Unless the table to which the trigger is attached is in the TEMP database, the table being updated by the trigger program must reside in the same database as it. If the table to which the trigger is attached is in the TEMP database, then the unqualified name of the table being updated is resolved in the same way as it is for a top-level statement by searching first the TEMP database, then the main database, then any other databases in the order they were attached.

The "target" table is the specific table that is being updated. The statement would look like this:. Last Updated : 08 May, Import module. Creating a cursor object using.

Commit your changes in the database. Creating a cursor object using the cursor method. Attention geek! Strengthen your foundations with the Python Programming Foundation Course and learn the basics. Next Python Alternate element summation in list. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment?

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