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ATAN2 78 ATAN takes the ratio (expression) of two sides of a right triangle and returns the corresponding angle. The ratio is the length of the side opposite the angle divided by the length of the side adjacent to the angle. The result is expressed in radians and is in the range -Pi/2 to Pi/2 radians. To convert degrees to radians, multiply degrees by Pi/180. To convert radians to degrees, multiply radians by 180/Pi. Notes • The expression must be in the range -1 to 1. ATAN2 Syntax select atan (1) * (180/ pi()) 'Arctangent in degrees' from syscalctable; ARCTANGENT IN DEGREES ----------------------- 45.000000000000000 1 record selected select atan (1) 'Arctangent in radians' from syscalctable; ARCTANGENT IN RADIANS ----------------------- 0.785398163397448 1 record selected • The expression must evaluate to an approximate numeric data type. Compatibility ODBC compatible Returns the arctangent of the x and y coordinates specified by expression1 and expression2. ATAN2 ( expression1 , expression2 ) Example The following example illustrates two ways to use the ATAN2 function:
Notes • ATAN2 takes the ratio of two sides of a right triangle and returns the corresponding angle. The ratio is the length of the side opposite the angle divided by the length of the side adjacent to the angle. AVG Syntax select atan2 (1,1) * (180/ pi()) 'Arctangent in degrees' from syscalctable; ARCTANGENT IN DEGREES ----------------------- 45.000000000000000 1 record selected select atan2 (1,1) 'Arctangent in radians' from syscalctable; ARCTANGENT IN RADIANS ----------------------- 0.785398163397448 1 record selected • expression1 and expression2 specify the x and y coordinates of the end of the hypotenuse opposite the angle. • The result is expressed in radians and is in the range -pi/2 to pi/2 radians. To convert degrees to radians, multiply degrees by pi/180. To convert radians to degrees, multiply radians by 180/pi. • Both expression1 and expression2 must evaluate to approximate numeric data types. Compatibility ODBC compatible Computes the average of a collection of values. The keyword DISTINCT specifies that the duplicate values are to be eliminated before computing the average. AVG ( { [ ALL ] expression } | { DISTINCT column_ref } ) Example This example illustrates the AVG function: SELECT AVG (salary) FROM employee WHERE deptno = 20 ; Notes • NULL values are eliminated before the average value is computed. If all the values are NULL, the result is NULL. AVG 79
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PROGRESS® 10 OPENEDGE® OpenEdge®
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Contents OpenEdge SQL Statements .
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Tables Contents Table 1: OpenEdge S
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Figures Contents Figure 1: ROUND di
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Preface This Preface contains the f
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OpenEdge SQL Reserved Words Preface
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Examples of syntax diagrams (SQL) T
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Preface The Apache Software Foundat
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Preface OpenEdge includes Imaging T
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Preface Advanced Internet Developme
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SQL Reference OpenEdge SQL Statemen
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ALTER DATABASE SET PRO_ENABLE_64BIT
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ALTER TABLE ALTER TABLE Syntax 4 Th
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ALTER USER ALTER USER Syntax 6 Once
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AUDIT SET AUDIT SET Syntax Examples
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Column constraints Syntax 10 CONSTR
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COMMIT COMMIT Syntax 12 Commits a t
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CREATE INDEX Syntax 14 CREATE [ UNI
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CREATE PROCEDURE Syntax 16 CREATE P
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CREATE SEQUENCE 18 schema_name Spec
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CREATE TABLE CREATE TABLE Syntax 20
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CREATE TABLE 22 progress_column_att
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CREATE TRIGGER 24 Authorization CRE
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CREATE TRIGGER 26 FOR EACH ROW mean
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Page 58 and 59: GRANT GRANT Syntax 36 Authorization
Page 60 and 61: GRANT 38 SELECT INSERT DELETE INDEX
Page 62 and 63: LOCK TABLE LOCK TABLE Syntax 40 Aut
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Page 66 and 67: ROLLBACK 44 If more than one user g
Page 68 and 69: SELECT Syntax 46 GROUP BY grouping_
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Page 72 and 73: SELECT Syntax 50 FROM clause Specif
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Page 86 and 87: SHOW ENCRYPT ON 64 Authorization An
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Page 90 and 91: UPDATE UPDATE Syntax 68 Updates the
Page 92 and 93: UPDATE STATISTICS 70 UPDATE STATIST
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Page 96 and 97: ABS ABS Syntax 74 Scalar functions
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Page 104 and 105: CAST 82 The following example shows
Page 106 and 107: CHAR CHAR Syntax 84 Returns a chara
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Page 110 and 111: COUNT Notes • COS takes an angle
Page 112 and 113: DATABASE 90 schema sequence Specifi
Page 114 and 115: DAYOFWEEK Notes • The date_expres
Page 116 and 117: DECODE DECODE Syntax 94 Compares th
Page 118 and 119: GREATEST GREATEST Syntax 96 Compati
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Page 124 and 125: LENGTH Notes • string_exp can be
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Page 128 and 129: MIN Notes • Specifying DISTINCT h
Page 130 and 131: MONTHNAME MONTHNAME Syntax 108 •
Page 132 and 133: NOW Syntax 110 schema sequence Spec
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Page 138 and 139: QUARTER Syntax 116 array_style_expr
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Page 144 and 145: RPAD Note The ROWID function return
Page 146 and 147: SIGN Notes • The argument to the
Page 148 and 149: SUBSTR Notes • The first argument
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SUFFIX SUFFIX Syntax 128 - Bigger t
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SYSDATE SYSDATE Syntax 130 Returns
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TO_CHAR TO_CHAR Syntax 132 • expr
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TO_TIMESTAMP Notes • The result i
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UPPER UPPER Syntax 136 • The resu
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YEAR Notes • The argument to the
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OpenEdge SQL reserved words 140 Tab
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OpenEdge SQL reserved words 142 Tab
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Error codes, SQLSTATE values, and m
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OpenEdge SQL system limits 162 Tabl
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Overview of system catalog tables 1
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SYSCOLUMNS SYSCOLUMNS 166 Table 5:
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SYSNCHARSTAT SYSNCHARSTAT SYSCOLAUT
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SYSDATATYPES SYSDATATYPES 170 Table
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SYSFLOATSTAT SYSFLOATSTAT SYSIDXSTA
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SYSPROCBIN SYSPROCBIN SYSPROCCOLUMN
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SYSSEQAUTH SYSSEQAUTH SYSSEQUENCES
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SYSTABLES_FULL SYSTABLES_FULL 178 T
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SYSTIMESTAT SYSTIMESTAT SYSTINYINTS
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SYSTSSTAT SYSTSSTAT SYSTSTZSTAT SYS
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SYS_CHK_CONSTRS SYS_CHK_CONSTRS SYS
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SYS_TBL_CONSTRS 186
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Supported ABL data types and corres
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OpenEdge SQL identifiers 190 Conven
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Date formats Example Date formats 1
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Time formats Time formats 194 A tim
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Data types 196 CHARACTER [ ( length
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Data types 198 REAL Corresponds to
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Data types 200 LVARBINARY ( length
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Data types 202 - You cannot define
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Literals Example The numeric string
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Literals 206 { t 'hh:mi:ss' } A tim
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Relational operators 208 Table 49:
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Relational operators 210 • The st
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Relational operators 212 • Additi
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Relational operators 214
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SQL-92 DDL and DML statements 236 T
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Syntax for ABL Attributes 238 Table
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SQLCursor CREATE PROCEDURE get_sal2
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Returns None Parameters None Throws
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SQLIStatement CREATE PROCEDURE test
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SQLPStatement CREATE PROCEDURE sps_
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Supported data types JDBC Conforman
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SQLGetInfo 308
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ODBC Scalar Functions 310 • start
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ODBC Scalar Functions 312 • integ
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ODBC Scalar Functions 314 Table 68:
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ODBC Scalar Functions 316
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Embedded SQL In OpenEdge Release 10
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Syntax Example Authorization None R
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password ESQL elements and statemen
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Syntax Syntax DESCRIBE ESQL element
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Syntax ESQL elements and statements
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ESQL elements and statements /* **
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Example statement_name Name of the
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Example ESQL elements and statement
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DYNAMIC_FUNCTION ESQL elements and
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CONSTRAINT_CATALOG Not currently su
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ESQL elements and statements in Bac
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EXEC SQL Syntax EXEC SQL ::= EXEC S
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OPEN Syntax PREPARE SET CONNECTION
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Index A ABS function 74 ACOS functi
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DhSQLResultSet.set 250 DISCONNECT C
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PREPARE statement 339 PRO_ARR_ESCAP
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W WEEK function 137 WHENEVER statem
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