Category: Oracle

Oracle Insert Statement

Oracle Insert Statement 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 keyword):  INSERT INTO table   (column1, column2, … column_n )   VALUES   (expression1, expression2, … expression_n );    Syntax: (Inserting multiple records using a SELECT statement): INSERT INTO table   (column1, column2, … column_n )   SELECT expression1, expression2, … expression_n   FROM source_table   WHERE conditions;  Parameters: 1) table: The table to insert the records […]

Oracle select from table, Online Education

Oracle SQL query example, Oracle select from table, oracle select from subquery, Online Education Oracle Select Statement The Oracle SELECT statement is used to retrieve data from one or more than one table, object tables, views, object views, etc. (Oracle sql query example, Oracle select from table, Oracle select into, oracle select from subquery, Online […]

Oracle Queries

Oracle Queries You can execute many queries in oracle database such as insert, update, delete, alter table, drop, create and select. 1) Oracle Select Query Oracle select query is used to fetch records from database. For example: SELECT * from customers;   2) Oracle Insert Query Oracle insert query is used to insert records into table. For example: […]

Oracle Views

Oracle Views In Oracle, view is a virtual table that does not physically exist. It is stored in Oracle data dictionary and do not store any data. It can be executed when called. A view is created by a query joining one or more tables. Oracle CREATE VIEW Syntax: CREATE VIEW view_name AS   SELECT columns   FROM tables   WHERE conditions;   Parameters: view_name: […]