Miscellaneous

What is DESC command in SQL Server?

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What is DESC command in SQL Server?

The DESC command is used to sort the data returned in descending order.

How do you write a DESC in SQL?

SQL | ORDER BY

  1. Sort according to one column: To sort in ascending or descending order we can use the keywords ASC or DESC respectively.
  2. Sort according to multiple columns: To sort in ascending or descending order we can use the keywords ASC or DESC respectively.

How do you DESC a table in MS SQL?

SQL Server: sp_help table_name (or sp_columns table_name for only columns) Oracle DB2: desc table_name or describe table_name. MySQL: describe table_name (or show columns from table_name for only columns)

How can I get table description in SQL Server?

Just select table and press Alt + F1 , it will show all the information about table like Column name, datatype, keys etc.

How do I view a SQL description?

Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to describe the structure of a table. Syntax: DESCRIBE one; OR DESC one; Note : We can use either DESCRIBE or DESC(both are Case Insensitive).

What is the shortcut to check table properties in SQL?

1 Answer. If you select a table name in the query window of Sql Server Management Studio and press ALT + F1 it will display the details of that table.

What is the difference between domain and type?

1 Answer. With CREATE DOMAIN you can create a subtype that is based on one existing type (adding constraints to it). With CREATE TYPE you can create composite types or enum or others that they are structurally different to existing types.

How do I COUNT 1 in SQL?

1 Answer

  1. SELECT user_id ,COUNT(*) count.
  2. FROM PAYMENT.
  3. GROUP BY account,user_id ,date.
  4. Having COUNT(*) > 1.

What are the syntax rules for SQL?

SQL is followed by a unique set of rules and guidelines called Syntax. This tutorial gives you a quick start with SQL by listing all the basic SQL Syntax. All the SQL statements start with any of the keywords like SELECT, INSERT, UPDATE, DELETE, ALTER, DROP, CREATE, USE, SHOW and all the statements end with a semicolon (;).

How do you sort in SQL?

SQL uses the ORDER BY clause with its SELECT statement to sort the result-set either in ascending or descending order. By default The ORDER BY keyword sorts the records in ascending order. To sort the records in a descending order, the DESC keyword will be used. SELECT column_name,column_nameFROM table_nameORDER BY column_name ASC|DESC;

What are the basic SQL statements?

The basic structure in SQL is the statement. Semicolons separate multiple SQL statements. There are 3 basic categories of SQL Statements: SQL-Data Statements — query and modify tables and columns SELECT Statement — query tables and views in the database. INSERT Statement — add rows to tables.

What is SQL query syntax?

SQL – Syntax – (Speaking SQL) Syntax, by definition, means the study of linguistic rules and patterns. Every programming language, including SQL, must follow a unique set of guidelines termed syntax. Punctuation, spaces, mathematical operators, and special characters have special meaning when used inside of SQL commands and query statements.