What is the use of Report Server database?

A report server is a stateless server that uses the SQL Server Database Engine to store metadata and object definitions. A native mode Reporting Services installation uses two databases to separate persistent data storage from temporary storage requirements.

What is the Reportserver and Reportservertempdb databases?

A Reporting Services deployment uses two SQL Server relational databases for internal storage. By default, the databases are named ReportServer and ReportServerTempdb. ReportServerTempdb is created with the primary report server database and is used to store temporary data, session information, and cached reports.

What is a transaction in SQL Server?

A transaction is a single unit of work. If a transaction is successful, all of the data modifications made during the transaction are committed and become a permanent part of the database. A batch-scoped transaction that is not committed or rolled back when a batch completes is automatically rolled back by SQL Server.

What is the container in SSIS?

Integration Services Containers. SSIS Containers are controls (objects) that provide structure to SSIS packages. Containers support repeating control flows in packages and they group tasks and containers into meaningful units of work. Containers can include other containers in addition to tasks. Types of SSIS Container.

What is meant by enumerator in SSIS?

Overview. Foreach loop container implementation is similar to foreach loop structure in programming languages. SSIS provides 7 types of enumerators with foreach loop container. The enumerator can traverse subfolders. Foreach Item enumerator to enumerate items that are collections.

What is a script task in SSIS?

At the heart of the Script Task is the ability to read a variable value from the SSIS package into the script and then write a message out of the Script Task. Because the Script Task can interact with SSIS variables, you can use .Net code to manipulate and respond to variable values.

What is a Data Flow task in SSIS?

The Data Flow task encapsulates the data flow engine that moves data between sources and destinations, and lets the user transform, clean, and modify data as it is moved. Addition of a Data Flow task to a package control flow makes it possible for the package to extract, transform, and load data.

What is the use of sequence container in SSIS?

Sequence Container in SSIS. The Sequence Container defines a control flow that is a subset of the control flow in a package. Sequence containers group the package into multiple separate control flows, each containing one or more tasks and containers that run within the overall package control flow.

What is a task in SSIS?

Tasks are control flow elements that define units of work that are performed in a package control flow. An SQL Server Integration Services package is made up of one or more tasks. If the package contains more than one task, they are connected and sequenced in the control flow by precedence constraints.

What is the sequence in C++?

In computing, sequence containers refer to a group of container class templates in the standard library of the C++ programming language that implement storage of data elements. Being templates, they can be used to store arbitrary elements, such as integers or custom classes.

What is the use of float in C++?

Float is a shortened term for “floating point.” By definition, it’s a fundamental data type built into the compiler that’s used to define numeric values with floating decimal points. C, C++, C# and many other programming languages recognize float as a data type. Other common data types include int and double.

What is the meaning of double in C++?

The double is a fundamental data type built into the compiler and used to define numeric variables holding numbers with decimal points. C, C++, C# and many other programming languages recognize the double as a type. A double type can represent fractional as well as whole values.

What is the difference between a double and a float?

The Decimal, Double, and Float variable types are different in the way that they store the values. Precision is the main difference where float is a single precision (32 bit) floating point data type, double is a double precision (64 bit) floating point data type and decimal is a 128-bit floating point data type.

Can a double be negative?

Note: Under IEEE-754 a NaN can have the same signed bit as a negative number. Double.parseDouble returns a double (primitive) not a Double . In this case it doesn’t really matter, but it’s worth being aware of. due to “not a number” values.

What is the double?

Double entry means that every transaction will involve at least two accounts. For example, if your company borrows money from the bank, the company’s asset Cash is increased and the company’s liability Notes Payable is increased.

What type of data is double?

double: The double data type is a double-precision 64-bit IEEE 754 floating point. Its range of values is beyond the scope of this discussion, but is specified in the Floating-Point Types, Formats, and Values section of the Java Language Specification. For decimal values, this data type is generally the default choice.

What are non primitive data types?

Primitive Versus Non-Primitive

  • The primitive data types include byte, int, long, short, float, double, and char.
  • Non-primitive, or reference data types, are the more sophisticated members of the data type family.
  • Reference types can be a class, interface, or array variable.
  • What are the primitive data types?

    Primitive types are the most basic data types available within the Java language. There are 8: boolean , byte , char , short , int , long , float and double . These types serve as the building blocks of data manipulation in Java. Such types serve only one purpose — containing pure, simple values of a kind.

    What is the difference between primitive and non primitive data types?

    Non-primitive data types are not defined by the programming language, but are instead created by the programmer. They are sometimes called “reference variables,” or “object references,” since they reference a memory location, which stores the data.

    What are the 4 primitive data types?

    Classic basic primitive types may include:

  • Character ( character , char );
  • Integer ( integer , int , short , long , byte ) with a variety of precisions;
  • Floating-point number ( float , double , real , double precision );
  • Fixed-point number ( fixed ) with a variety of precisions and a programmer-selected scale.
  • What is SSIS and SSRS in SQL Server?

    Example, from your Transactional application backend to Data Warehouse. SSIS is a visual tool for ETL created by Microsoft. Generally used for SQL Server as source or destination. SSRS is a service component of SQL Server family products, that allows you to design and render nice reports from SQL Server database.