Stored procedure - Wikipedia Stored procedures may also contain declared variables for processing data and cursors that allow it to loop through multiple rows in a table Stored-procedure flow-control statements typically include IF, WHILE, LOOP, REPEAT, and CASE statements, and more
MUMPS syntax - Wikipedia RAM-based variables, called locals are only visible inside the currently running process, and their value is lost when the process exits The scope of local variables is determined by using the ' new ' command to declare the variable Declaration is optional - an undeclared variable is in scope for all routines running in the same process
Prepared statement - Wikipedia A stored procedure, which is also precompiled and stored on the server for later execution, has similar advantages Unlike a stored procedure, a prepared statement is not normally written in a procedural language and cannot use or modify variables or use control flow structures, relying instead on the declarative database query language
PL SQL - Wikipedia The basic unit of a PL SQL source program is the block, which groups together related declarations and statements A PL SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END These keywords divide the block into a declarative part, an executable part, and an exception-handling part
SQL - Wikipedia Structured Query Language (SQL) (pronounced ˌɛsˌkjuˈɛl S-Q-L; or alternatively as ˈsiːkwəl ⓘ "sequel") [4][5] is a domain-specific language used to manage data, especially in a relational database management system (RDBMS) It is particularly useful in handling structured data, i e , data incorporating relations among entities and variables Introduced in the 1970s, SQL
List of SQL reserved words - Wikipedia List of SQL reserved words This list includes SQL reserved words – aka SQL reserved keywords, [1][2] as the SQL:2023 specifies and some RDBMSs have added A dash (-) means that the keyword is not reserved
Data definition language - Wikipedia The concept of the data definition language and its name was first introduced in relation to the Codasyl database model, where the schema of the database was written in a language syntax describing the records, fields, and sets of the user data model [1] Later it was used to refer to a subset of Structured Query Language (SQL) for declaring tables, columns, data types and constraints SQL-92