0
Database Engine
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What is dynamic sql in dbms?
Although static SQL works well in many situations, there is a class of applications in which the data access cannot be determined in advance. For example, suppose a spreadsheet allows a user to enter a query, which the spreadsheet then sends to the DBMS to retrieve data. The contents of this query obviously cannot be known to the programmer when the spreadsheet program is written. To solve this problem, the spreadsheet uses a form of embedded SQL called dynamic SQL. Unlike static SQL statements, which are hard-coded in the program, dynamic SQL statements can be built at run time and placed in a string host variable. They are then sent to the DBMS for processing. Because the DBMS must generate an access plan at run time for dynamic SQL statements, dynamic SQL is generally slower than static SQL. When a program containing dynamic SQL statements is compiled, the dynamic SQL statements are not stripped from the program, as in static SQL. Instead, they are replaced by a function call that passes the statement to the DBMS; static SQL statements in the same program are treated normally.
What is the general format of an SQL query?
In general, SQL "statements" have a Select "clause," a From "clause," and a Where "clause."
Can be executed sql statements without a dbms?
yes
What are the benefits of high availability solutions for SQL servers?
The benefits of high availability solutions for SQL servers are a minimized impact on users during application downtimes due to hardware or software failure.
Which profession deals with managing SQL servers?
Managing SQL servers is performed by database administrators and/or database managers. The job entails managing large relational databases and ensuring proper security of the data.
Where can I train to use SQL servers?
The technology filed is getting more and more competitive. Many people are now getting cross trained in several areas. The best way to achieve this is by getting training in SQL servers because they are the most common type of server. There are several avenues open to receive training on SQL servers and the most common is at a Technology Institute.
What is sql statements?
SQL in database is short for structured query language. There are four types of SQL statements which are as follows : 1) Data retrieval language 2) Data manipulation language 3) Data control language 4) Data definition language
What is the source code for the sql server in Linux?
There are several SQL servers available for Linux. You can get the source code for MySQL and PostgreSQL from their respective websites.
Who manufactures SQL servers and what is this DBMS' current version number?
An SQL server is any server that implements the Structured Query Language. SQL is the standard of the American National Standards Institute (ANSI) and the International Organization for Standardization (IOS). It was developed by IBM in the 1970s. It appears the latest revision was made in 2014. No one company manufactures SQL servers.
Understand Computer Hardware for SQL Training?
A good knowledge of basic computer hardware will prepare you to understand the mechanics of computers and servers that are essential for data processing. Take as many hardware courses as possible to understand CPU, permanent and temporary memory requirements. This technology is constantly improving and will shape SQL software.
SQL statements that define the tables in a database are referred to as?
DDL Statments
What is embedded sql?
Embedded SQL is a method of combining the computing power of a programming language and the database manipulation capabilities of SQL. Embedded SQL statements are SQL statements written inline with the program source code of the host language. The embedded SQL statements are parsed by an embedded SQL preprocessor and replaced by host-language calls to a code library. The output from the preprocessor is then compiled by the host compiler. This allows programmers to embed SQL statements in programs written in any number of languages such as: C/C++, COBOL and Fortran.The ANSI SQL standards committee defined the embedded SQL standard in two steps: a formalism called Module Languagewas defined, then the embedded SQL standard was derived from Module Language.[1] The SQL standard defines embedding of SQL as embedded SQL and the language in which SQL queries are embedded is referred to as the host language. A popular host language is C. The mixed C and embedded SQL is called Pro*C in Oracle and Sybase database management systems. In the PostgreSQL database management system this precompiler is called ECPG. Other embedded SQL precompilers are Pro*Ada, Pro*COBOL, Pro*FORTRAN, Pro*Pascal, and Pro*PL/I.
