What is sysname datatype?
The sysname data type is used for table columns, variables, and stored procedure parameters that store object names. The exact definition of sysname is related to the rules for identifiers. Therefore, it can vary between instances of SQL Server.
What is the datatype for long in SQL?
The LONG datatype is like the VARCHAR2 datatype, except that the maximum size of a LONG value is 32760 bytes. You use the LONG RAW datatype to store binary data or byte strings. LONG RAW data is like LONG data, except that LONG RAW data is not interpreted by PL/SQL. The maximum size of a LONG RAW value is 32760 bytes.
Is long int a data type in SQL?
The database server supports the following data types for integer values. The C language supports the short int and long int data types for integer values.
What is the data type for SSN?
The ssn data type is used for columns holding 11-digit social security numbers (999-99-9999). The column cannot be NULL.
What is the difference between varchar and nvarchar?
The key difference between varchar and nvarchar is the way they are stored, varchar is stored as regular 8-bit data(1 byte per character) and nvarchar stores data at 2 bytes per character. Due to this reason, nvarchar can hold upto 4000 characters and it takes double the space as SQL varchar.
What is System_type_id in SYS columns?
sys.columns.system_type_id = sys.types.user_type_id For a built-in type, it returns the built-in type. For a user-defined type, it returns the built-in base type. This might make sense, for example, if you want to get all varchar columns, including all user-defined columns based on varchar.
What is long data type?
long: The long data type is a 64-bit two’s complement integer. The signed long has a minimum value of -263 and a maximum value of 263-1. In Java SE 8 and later, you can use the long data type to represent an unsigned 64-bit long, which has a minimum value of 0 and a maximum value of 264-1.
Can Unique Key BE LONG data type?
A primary key column cannot be of datatype LONG or LONG RAW. You cannot designate the same column or combination of columns as both a primary key and a unique key or as both a primary key and a cluster key. However, you can designate the same column or combination of columns as both a primary key and a foreign key.
Is Long An integer?
An int is a 32-bit integer; a long is a 64-bit integer. Which one to use depends on how large the numbers are that you expect to work with. int and long are primitive types, while Integer and Long are objects.
Is BigInt same as long?
The equivalent of Java long in the context of MySQL variables is BigInt. In Java, the long datatype takes 8 bytes while BigInt also takes the same number of bytes.
Is SSN PCI data?
While SSNs and PCI aren’t related, you could do worse than to start using the PCI standard as a guideline for handling SSN numbers or any sensitive data. “His question was about SSN, jl, not PCI.
Is SSN sensitive data?
Personally identifiable information (PII) uses data to confirm an individual’s identity. Sensitive personally identifiable information can include your full name, Social Security Number, driver’s license, financial information, and medical records.