PHP MySql Web Hosting

,ch04.13730 Page 191 Wednesday, November 29, 2000 4:43 PM Table 4-9: Oracle-Supported Functions (continued) Function var_samp(expression) over (analytics) variance([DISTINCT] expression) over (analytics) vsize(expression) Description Returns the sample variance of a set of numbers after discarding the nulls in the expression number set. Analytic functions are covered in the vendor documentation. Returns variance of expression calculated as follows: 0 if the number of rows in expression = 1 VAR_SAMP if the number of rows in expression > 1 Returns the number of bytes in the internal representation of expression. When expression is null, it returns null. PostgreSQL Supported Functions Table 4-10 lists the functions specific to PostgreSQL. Table 4-10: PostgreSQL Supported Functions Function abstime(timestamp) abs(float8) acos(float8) age(timestamp) age(timestamp, timestamp) area(object) asin(float8) atan(float8) atan2(float8,float8) box(box,box) box(circle) box(point,point) box(polygon) broadcast(cidr) broadcast(inet) CASE WHEN expr THEN expr […] ELSE expr END cbrt(float8) center(object) char(text) char(varchar) char_length(string) character_length(string) circle(box) circle(point,float8) COALESCE(list) cos(float8) cot(float8) Description Converts to abstime Returns absolute value Returns arccosine Preserves months and years Preserves months and years Returns area of item Returns arcsine Returns arctangent Returns arctangent Returns intersection box Converts circle to box Returns points to box Converts polygon to box Constructs broadcast address as text Constructs broadcast address as text Returns expression for first true WHEN clause Returns cube root Returns center of item Converts text to char type Converts varchar to char type Returns length of string Returns length of string Converts to circle Converts point to circle Returns first non-NULL value in list Returns cosine Returns cotangent Functions Vendor Extensions 191

Note: If you are looking for good and high quality web space to host and run your application check Lunarwebhost PHP MySQL Web Hosting services