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SQL training in Chennai

HB Services trains candidates in one of the most popular open source database, MySQL. Our SQL training in Chennai touches products and services, client architecture, system administration, server configuration, client and tools, data types and more.

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SQL training in Chennai

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  1. SQL training in Chennai HB Education and Consulting Services Private Limited

  2. Structured Query Language – An introduction Retrieving information from a database file needs to be queried. This query is generated by the user. A query is defined as a request to retrieve information with a criteria or condition. SQL is a query language and it helps users to follow a set of conditions and not algorithms.

  3. SQL Concepts The user lays down certain conditions The program will run across all the records in the database file and these records are selected to satisfy the condition or search. It provides statistical information of the data The query results are stored in the format of a table for quick retrieval.

  4. SQL is a computer language that is used for manipulating, storing and retrieving data stored in the relational database. It is the standard language for Relation Database System. The relational database management systems like MS Access, MySQL, Informix, Sybase, Oracle, SQL Server and Postgres. SQL training in Chennai trains in the fundamentals and advanced concepts. Some Standard Database Languages include DDL – Data Definition Language DML – Data Manipulation Language DCL – Data Control Language DQL – Data Query Language

  5. SQL Constraints are applied to the column include: NOT NULL UNIQUE FOREIGN Key PRIMARY Key CHECK Constraint Data Integrity Entity Integrity: In a table there are no duplicate rows Domain Integrity: Enforcing valid entries for columns by limiting the type Referential Integrity: Rows used by other records cannot be deleted User Defined Integrity: Enforcing specific business rules

  6. Data types include Character datatypes like CHAR NCHAR VARCHAR2 NVARCHAR2 Numeric datatypes Number Binary-Float Binary-Double Data Time Datatype Date SQL is a popular language particularly while working with databases. It is used in business very often as it can modify, retrieve and manipulate the data table. The syntax is simple and straightforward.

  7. HB Education and Consulting Services Private Limited CONTACT US: M: +91-96771 67119 T: +91-44-4211 5338 E: education@hbservices.in Visit us: http://www.hbservices.in

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