The current date and time can be used to automatically initialize and update the TIMESTAMP and DATETIME columns (that is, the current timestamp). You can
Author: SHAFI SHAIK
Hi, this is Shafi Shaik, Microsoft Solutions Specialist in Data platform as well as in Data Management & Analytics. I am a certified associate in Oracle SQL*Plus and extensively trained in MongoDB Administration. My current role is Database administration with hands-on expertise in almost all relational databases namely Microsoft SQL Server, MySQL, Oracle SQL*Plus, PostGreSQL & Teradata. I'm also specialized in database development, warehousing, traditional data analysis and Big Data analysis.
MySQLDump Only INSERT Statements
The mysqldump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and
Entity Integrity Constraints
Entity integrity makes sure that there aren’t any duplicate records in the database and that each record’s identifying field is distinct and never null. The
Referential Integrity Constraints
A foreign key must match a primary key or be null in order to maintain referential integrity. In other words, every column in a base
Domain Integrity in SQL Server
Domain integrity assures that every data in a field contains legitimate values, is established by the permitted values of an attribute. Data types such as
Integrity Constraints – Overview
This post is intended to introduce integrity constraints, their need and their usage in SQL. Integrity constraints are pre-defined sets of guidelines used in Database
Big Data & SQL 