Oracle: Views Snapshots
A Snapshot is a recent copy of a table from db or in some cases, a subset of rows/cols of a table. They are used …
Read MBA, BBA, B.COM Notes
A Snapshot is a recent copy of a table from db or in some cases, a subset of rows/cols of a table. They are used …
In Oracle, INSERT statement is used to add a single record or multiple records into the table. Syntax: (Inserting a single record using the Values …
Constraints can be specified when the table is created with the CREATE TABLE statement, or after the table is created with the ALTER TABLE statement. …
In Oracle, CREATE TABLE statement is used to create a new table in the database. To create a table, you have to name that table …
SQL is a language to operate databases; it includes database creation, deletion, fetching rows, modifying rows, etc. SQL is an ANSI (American National Standards Institute) standard language, …
A relational database is a set of formally described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database tables. …
Physical database design translates the logical data model into a set of SQL statements that define the database. For relational database systems, it is relatively …
A functional decomposition is the process of breaking down the functions of an organization into progressively greater (finer and finer) levels of detail. In decomposition, one function is …
Microsoft Access: Microsoft Office Access, previously known as Microsoft Access, is a relational database management system from Microsoft that combines the relational Microsoft jet database …
The database management system can be divided into five major components, they are: Hardware Software Data Procedures Database Access Language Let’s have a simple diagram …