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Key Difference – SQL vs MySQL A database is a collection of data. There are various types of databases. Relational databases are database types to store data in the form of tables. These tables are related to each other since they use constraints. MySQL is a Relational database management system. The language which use to […]
插入和更新与改变插入、更新和修改are three SQL (Structured Query Language) commands used for modifying databases. Insert statement is used for inserting a new row to an existing table. Update statement is used to update existing records in a database. Insert and Update are Data Manipulation Language (DML) statements. Alter SQL […]
Java vs Oracle Oracle database (simply referred to as Oracle) is an Object Relational Database Management System (ORDBMS) that supports a large range of platforms. Oracle DBMS is available in different versions ranging from versions for personal use and enterprise class versions. It is the most widely used database system in the world. Java is […]
Update vs Alter Update and Alter are two SQL (Structured Query Language) commands used for modifying databases. Update statement is used to update existing records in a database. Update is a Data Manipulation Language (DML) statement. Alter SQL command is used to modify, delete or add a column to an existing table in a database. […]
SQL vs T-SQL Query languages are used for accessing and manipulating databases. SQL and T-SQL are two of the popular query languages used today. Structured Query Language (SQL) is a computer language for databases. It is used for accessing and manipulating data in Relational Database Management Systems (RDMS). T-SQL (Transact SQL) is an extension of […]
SAP vs ORACLE The acronym SAP stands for Systems, Applications and Products in Data Processing. SAP is an Enterprise Resource Planning (ERP) software that integrates several business applications, which are designed for specific business areas. Today, many large corporations such as IBM and Microsoft use SAP products for running their businesses. Oracle database (simply referred […]
Fourth Generation vs Fifth Generation Programming Languages (4GL vs 5GL) A programming language is a non-natural language used to present the computations that a machine can perform. Very first programming languages (often called 1st generation languages or 1GL) were mere machine code consisting of 1’s and 0’s. Programming languages have evolved tremendously over the past […]
Data Mining vs Query Tools Query Tools are tools that help analyze the data in a database. They provide query building, query editing, searching, finding, reporting and summarizing functionalities. On the other hand, Data mining is a field in computer science, which deals with the extraction of previously unknown and interesting information from raw data. […]
Explicit Cursor vs Implicit Cursor When it comes to databases, a cursor is a control structure that allows traversing over the records in a database. A cursor provides a mechanism to assign a name to a SQL select statement and then it can be used to manipulate the information within that SQL statement. Implicit cursors […]
DBMS vs Data Warehouse DBMS (Database Management System) is the whole system used for managing digital databases, which allows storage of database content, creation/maintenance of data, search and other functionalities. A data warehouse is a place that stores data for archival, analysis and security purposes. A data warehouse is made up of a single computer […]
