What is DESC table in SQL?
So desc or describe command shows the structure of table which include name of the column, data-type of column and the nullability which means, that column can contain null values or not.
What are the keywords in SQL?
List of SQL Keywords
- CREATE. The CREATE Keyword is used to create a database, table, views, and index.
- PRIMARY KEY. This keyword uniquely identifies each of the records.
- INSERT. The INSERT Keyword is used to insert the rows of data to a table.
What is MySQL DESC?
The DESC is the short form of DESCRIBE command and used to dipslay the information about a table like column names and constraints on column name. The DESCRIBE command is equivalent to the following command − SHOW columns from yourTableName command.
Why DESC is used in SQL?
The DESC command is used to sort the data returned in descending order.
What is the DESC tool?
The DESC response is a tool used to decrease defensiveness in an assertive manner. Assertiveness means standing up for your personal rights – expressing thoughts, feelings and beliefs in direct, honest and appropriate ways. It is also respecting the thoughts, feelings and beliefs of others.
What is keyword in Oracle SQL?
Oracle SQL keywords are not reserved. However, Oracle uses them internally in specific ways. Therefore, if you use these words as names for objects and object parts, then your SQL statements may be more difficult to read and may lead to unpredictable results.
What is keyword in database?
Keywords, also commonly called search terms, are the words that you enter into the database search boxes. They represent the main concepts of your research topic and are the words used in everyday life to describe the topic.
Which of these are Rdbms?
Most well known DBMS applications fall into the RDBMS category. Examples include Oracle Database, MySQL, Microsoft SQL Server, and IBM DB2. Some of these programs support non-relational databases, but they are primarily used for relational database management.
WHERE does Desc go in SQL?
DESC means descending. if you have the letters A – Z in your database, and you sort them by ASC , it will go from A to Z . ORDER BY DESC will sort them from Z to A . same goes for 0 – 9 , ascending and descending (for example).