The error ORA-01722: invalid number is caused while encountering non numeric data(‘characters) when numeric data is expected.
CREATE TABLE AS SELECT statement can be used when we need to extract part or full data from a table and store it into another table based on certain conditions
Usage Create table statement with foreign key constraint will create table with referential integrity
Foreign Key holds the reference to another table column value.It is also known as references constraint
CREATE TABLE statement: create a table with composite primary key.
Oracle PL/SQL:CREATE TABLE statement: create a table with primary key.
CREATE TABLE statement is used to create table objects in database.You can create tables with different column data types.It is possible to add CONSTRAINTS like primary key ,foreign key etc while creating the table or can be added after the table creation
Max() function in sql can be used to get maximum value of two or more dates.Max(Date) function is useful in retrieving the maximum value of date from a record set or column or result set etc.
TRIM function removes all specified characters from the beginning of a string or from the ending of a string.
Oracle Decode Function | Use PLSQL DECODE function to handle NULL and default values
The Max() function is another much helpful function in SQL, the MAX function returns the maximum value of an expression. Read MIN() function here. Syntax: Examples: (See more example for… Read more »