What is policy based management in SQL Server?
Policy-Based Management is a policy based system for managing one or more instances of SQL Server. Use it to create conditions that contain condition expressions. Then, create policies that apply the conditions to database target objects.
What are the different types of SQL’s?
Types of SQL Statements
- Data Definition Language (DDL) Statements.
- Data Manipulation Language (DML) Statements.
- Transaction Control Statements.
- Session Control Statements.
- System Control Statement.
- Embedded SQL Statements.
What are some examples of SQL statements?
11 Common SQL Statements with Basic Examples
- SQL SELECT Statement. The SELECT statement lets you retrieve data from the database.
- SQL INSERT Statement.
- SQL UPDATE Statement.
- SQL DELETE Statement.
- SQL TRUNCATE Statement.
- SQL CREATE DATABASE Statement.
- SQL ALTER DATABASE Statement.
- SQL DROP DATABASE Statement.
What is synonym in SQL Server with example?
What is a synonym in SQL Server. In SQL Server, a synonym is an alias or alternative name for a database object such as a table, view, stored procedure, user-defined function, and sequence. A synonym provides you with many benefits if you use it properly.
What is facet in SQL Server?
A facet is a collection of pre-defined properties that describe some functionality of SQL Server. For example, some common facets are Audit, Database Maintenance, Database Options, Database Performance, Server, and Stored Procedure. There are a total of 74 facets available in SQL Server 2008.
How is tempdb used in SQL Server?
The tempdb system database is a global resource that holds: Temporary user objects that are explicitly created. They include global or local temporary tables and indexes, temporary stored procedures, table variables, tables returned in table-valued functions, and cursors.
What is the difference between having and where `?
The main difference between them is that the WHERE clause is used to specify a condition for filtering records before any groupings are made, while the HAVING clause is used to specify a condition for filtering values from a group. Before making the comparison, we will first know these SQL clauses.
What is a real life example of a query?
For example, an human resources manager may perform a query on an employee database that selects all employees in a specific department that were hired between 11 and 12 months ago.
How do I create a synonym in SQL example?
Use SQL Server Management Studio
- In Object Explorer, expand the database where you want to create your new view.
- Right-click the Synonyms folder, then select New Synonym….
- In the Add Synonym dialog box, enter the following information. Synonym name. Type the new name you will use for this object. Synonym schema.
What are synonyms examples?
A synonym is a word, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words begin, start, commence, and initiate are all synonyms of one another: they are synonymous.
What is facets configuration?
Facets (also known as filters) refer to the options often provided to the left of search results, which allow users to narrow their result set along common product attributes, such as the items’ price or brand.
What is facet in New Relic?
FACET CASES is a NRQL function that allows to group facets based on conditions. We support multiple cases in the same facet. Let’s say you want to query some data and put the responses into mnemonic categories for a dashboard or report.
What happens if TempDB is full?
The TempDB database is special in many ways, but an interesting aspect is that when its files automatically grow when they become full, this growth is not persisted and will be undone on the next restart of the SQL Server service.
How many TempDB files should I have?
According to Microsoft Support, the best approach is to create one tempdb data file per logical processor up to 8 data files. If your system has more than 8 logical processors, start with 8 data files and monitor your server’s workload to determine if more data files would be beneficial.
What is the difference between delete DROP and truncate?
Objects deleted using DROP are permanently lost and it cannot be rolled back. Unlike TRUNCATE which only deletes the data of the tables, the DROP command deletes the data of the table as well as removes the entire schema/structure of the table from the database.
What is difference between DROP and delete?
DELETE is a Data Manipulation Language command, DML command and is used to remove tuples/records from a relation/table. Whereas DROP is a Data Definition Language, DDL command and is used to remove named elements of schema like relations/table, constraints or entire schema.
What are examples of databases we use everyday?
Your grocery store, bank, restaurant, online shopping sites, hospital, favorite clothing store and mobile service provider, for instance all use databases to keep track of customer, inventory, employee and accounting information.
How do I create a synonym in a table in SQL?
Why synonyms are used in SQL?
A Synonym can be also used to reference user-defined functions. That allows you to rename or move that function to another SQL Server instance without affecting the clients, by dropping and recreating the Synonym one time to reference the new user-function name or location.
What is the 10 Example of synonyms?
Synonym Examples
| amazing: astounding, surprising, stunning | fertile, fruitful, abundant, productive |
|---|---|
| cunning: keen, sharp, slick | kindle: ignite, inflame, burn |
| destitute: poor, bankrupt, impoverished | loyal: faithful, ardent, devoted |
| deterioration: pollution, defilement, adulteration | old: elderly, aged, senior |