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Constraints are used to PREVENT the database from losing internal and external integrity. The types are: CHECK, not NULL, unique, primary key, and foreign key.

Constraints are used to prevent the database from losing internal and external integrity. The types are: check, not null, unique, primary key, and foreign key.

This is the process of organizing data in a database efficiently, and it is DONE to MAKE SURE that connections and dependencies between data make SENSE, and to get rid of redundant data.

This is the process of organizing data in a database efficiently, and it is done to make sure that connections and dependencies between data make sense, and to get rid of redundant data.

SQL lite storage classes include :

• NULL: The value is a NULL value.
• Integer: The value is a signed integer (1,2,3, etc.).
• Real: The value is a floating point value, STORED as an 8 byte IEEE floating point number.
• Text: The value is a text string, stored using the database encoding ( UTF-8, UTF-16BE).
• BLOB (Binary LARGE Object): The value is a blob of data, exactly stored as it was INPUT.

SQL lite storage classes include :

Data mining REFERS to any procedure for collecting, analyzing, and summarizing the CONTENTS of a database. It can be used to judge the success of a business, MARKETING CAMPAIGNS, and to forecast future trends.

Data mining refers to any procedure for collecting, analyzing, and summarizing the contents of a database. It can be used to judge the success of a business, marketing campaigns, and to forecast future trends.

HAVING CLAUSE :

• HAVING CLAUSE is used only with the SELECT statement.
• It is GENERALLY used in a GROUP BY clause in a query.
• If GROUP BY is not used, HAVING works like a WHERE clause.

WHERE Clause :

• It is APPLIED to each ROW before they BECOME a part of the GROUP BY function in a query.

HAVING CLAUSE :

WHERE Clause :

SQL lite works well with :

• Embedded devices and the internet of things.
• Application file format.
• Data Analysis.
• Websites.
• Cache for enterprise data.
• Server side database.
• File archives.
• Internal or temporary DATABASES.
• REPLACEMENT for AD hoc disk files.
• Experimental SQL LANGUAGE extensions.
• Stand-in for an enterprise database during demos or testing.

SQL lite works well with :

SQL STANDS for structured query language, USED with RELATIONAL databases. It is used to query, update, and RETRIEVE the contents of databases.

SQL stands for structured query language, used with relational databases. It is used to query, update, and retrieve the contents of databases.

The transaction is referred as a unit of work that is performed against a database. It is the propagation of one or more changes to the database. Properties of transactions are determined by ACID.

• Atomicity: It ensures that all work unit are successfully completed.
• CONSISTENCY: It ensures that the database changes states upon a successfully committed transaction.
• Isolation: It ENABLES transactions to operate independently of and transparent to each other.
• Durability: It ensures that the result or EFFECT of a committed transaction persists in CASE of a system failure.

The transaction is referred as a unit of work that is performed against a database. It is the propagation of one or more changes to the database. Properties of transactions are determined by ACID.