SQLite is a popular relational database management system that provides support for various data types, including the NULL data type. The NULL data type represents the absence of any value in a database column. This means that a column with a NULL value does not contain any valid data. In SQLite, NULL values are used…(Continue Reading)
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SQLite RELEASE
The SQLite RELEASE statement is used to release a shared lock held by the current connection on a specified table. When multiple connections are accessing the same SQLite database, they may need to lock specific tables in order to perform their operations safely and avoid conflicts with other connections. These locks can be either shared…(Continue Reading)
SQLite SAVEPOINT
SQLite SAVEPOINT is a feature that allows you to create a named point within a transaction where you can roll back to that point if necessary. This feature provides a way to divide a large transaction into smaller ones, making it easier to handle errors and perform more complex operations. Example To use SAVEPOINT in…(Continue Reading)
SQLite END TRANSACTION
In SQLite, a transaction is a sequence of database operations that are treated as a single unit of work. Transactions are used to ensure data integrity and consistency, and to prevent data loss or corruption in case of errors or failures. When you begin a transaction in SQLite, you use the BEGIN TRANSACTION statement. This…(Continue Reading)
SQLite BEGIN TRANSACTION
SQLite database supports a number of SQL commands that can be used to manipulate data in a database. One of these commands is the BEGIN TRANSACTION command. The BEGIN TRANSACTION command is used to start a transaction in SQLite. A transaction is a series of SQL commands that are executed as a single unit of…(Continue Reading)
SQLite ROLLBACK
SQLite database provides a number of useful features for managing and manipulating data. One of the key features of SQLite is the ability to execute transactions. Transactions are a way to group a set of SQL statements together into a single logical unit of work. Transactions can help ensure the consistency and reliability of data,…(Continue Reading)