What is Data Integrity?
Data integrity refers to the accuracy and consistency of data stored in a database or other data storage system. It
Read moreWorking with databases
Explain different types of data Normalization.
Normalization is a process of organizing data in a database to reduce data redundancy and ensure data integrity. There are
Read moreWhat is the difference between DROP and TRUNCATE in SQL?
DROP and TRUNCATE are two SQL commands that can be used to remove data from a table, but they work
Read moreWhat is Denormalization of data in a database?
Denormalization is the process of adding redundant data to a database to improve query performance. It involves intentionally violating the
Read moreWhat is a Clustered Index in SQL?
In SQL, a clustered index is a type of index that determines the physical order of the data in a
Read moreWhat is a Unique key in SQL?
In SQL, a unique key is a constraint that ensures that the values in a column or set of columns
Read moreWhat Are Constraints in SQL?
In SQL, constraints are rules that are enforced on a table’s data to maintain the integrity and accuracy of the
Read moreWhat is the difference between CHAR and VARCHAR2 datatype in SQL?
In SQL, both CHAR and VARCHAR2 are character data types, but they have some differences in terms of their storage
Read moreWhat is the difference between SQL and MySQL?
SQL (Structured Query Language) and MySQL are related but distinct concepts. SQL is a programming language that is used to
Read moreImport a CSV file with an SQL query
In a number of the SQL programming softwatre devices, there’ll virtually actually be an selection to be able to import
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