. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 5. Data Definition (DDL) Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 7.7.3. DECLARE VARIABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . characters (252 bytes). Two types of names are valid as identifiers: regular names, similar to variable names in regular programming languages, and delimited names that are specific to SQL. To be valid

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 5. Data Definition (DDL) Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 7.6.3. DECLARE VARIABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . important books from the InterBase 6 published set were the Data Definition Guide and the Language Reference. The former covered the data definition language (DDL) subset of the SQL language, while the latter

Evaluation Rules ............................................................................40 5. Data Definition............................................................................................... .......................................................1320 49. Index Access Method Interface Definition ............................................................................1321 49.1. Catalog in 1986. The initial concepts for the system were presented in The design of POSTGRES , and the definition of the initial data model appeared in The POSTGRES data model . The design of the rule system at

Evaluation Rules ............................................................................40 5. Data Definition............................................................................................... .......................................................1320 49. Index Access Method Interface Definition ............................................................................1321 49.1. Catalog in 1986. The initial concepts for the system were presented in The design of POSTGRES , and the definition of the initial data model appeared in The POSTGRES data model . The design of the rule system at

...................................................................................53 5. Data Definition............................................................................................... Parameters .......................................................1012 35.4.5. SQL Functions with Variable Numbers of Arguments.................................1013 35.4.6. SQL Functions with Default Values .................................................................................1192 40.10.1. Variable Substitution...................................................................................1192

................................................................................... 59 5. Data Definition .............................................................................................. 2469 61. Table Access Method Interface Definition ............................................................. 2470 62. Index Access Method Interface Definition ...................................... ......................................... 987 36.1. Mapping Between PostgreSQL Data Types and C Variable Types ................................... 1005 36.2. Valid Input Formats for PGTYPESdate_from_asc

Evaluation Rules ............................................................................39 5. Data Definition............................................................................................... .......................................................1211 48. Index Access Method Interface Definition ............................................................................1213 48.1. Catalog began in 1986. The initial concepts for the system were presented in The design of POSTGRES and the definition of the initial data model appeared in The POSTGRES data model . The design of the rule system at

Notation..................................................................................48 5. Data Definition............................................................................................... Output Parameters ..................................................955 35.4.5. SQL Functions with Variable Numbers of Arguments............................956 35.4.6. SQL Functions with Default Values for Hood..............................................................................1126 40.10.1. Variable Substitution............................................................................1126 40

Functions .................................................................................. 55 5. Data Definition .............................................................................................. .. 2336 61. Table Access Method Interface Definition ....................................................... 2337 62. Index Access Method Interface Definition ......................................... ......................................... 940 36.1. Mapping Between PostgreSQL Data Types and C Variable Types ............................... 956 36.2. Valid Input Formats for PGTYPESdate_from_asc ..

...................................................................................53 5. Data Definition............................................................................................... Parameters .........................................................981 35.4.5. SQL Functions with Variable Numbers of Arguments...................................982 35.4.6. SQL Functions with Default Values .................................................................................1154 40.10.1. Variable Substitution...................................................................................1155